7674299640 has 672 divisors, whose sum is σ = 31085706960. Its totient is φ = 1698278400.

The previous prime is 7674299621. The next prime is 7674299641. The reversal of 7674299640 is 469924767.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7674299641) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 58582375 + ... + 58582505.

Almost surely, 2^7674299640 is an apocalyptic number.

7674299640 is a gapful number since it is divisible by the number (70) 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 7674299640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15542853480).

7674299640 is an abundant number, since it is smaller than the sum of its proper divisors (23411407320).

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

7674299640 is a wasteful number, since it uses less digits than its factorization.

7674299640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 7674299640 is about 87603.0800828373. The cubic root of 7674299640 is about 1972.4814033436.

The spelling of 7674299640 in words is "seven billion, six hundred seventy-four million, two hundred ninety-nine thousand, six hundred forty".