3674531640 has 256 divisors, whose sum is σ = 12680478720. Its totient is φ = 843816960.

The previous prime is 3674531639. The next prime is 3674531647. The reversal of 3674531640 is 461354763.

3674531640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3674531640² = 27004365546722179200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3674531647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3367495 + ... + 3368585.

It is an arithmetic number, because the mean of its divisors is an integer number (49533120).

Almost surely, 2^3674531640 is an apocalyptic number.

3674531640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3674531640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6340239360).

3674531640 is an abundant number, since it is smaller than the sum of its proper divisors (9005947080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3674531640 is a wasteful number, since it uses less digits than its factorization.

3674531640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 3674531640 is about 60617.9151736514. The cubic root of 3674531640 is about 1543.1234241066.

The spelling of 3674531640 in words is "three billion, six hundred seventy-four million, five hundred thirty-one thousand, six hundred forty".