3673491520 has 56 divisors (see below), whose sum is σ = 8814377088. Its totient is φ = 1458163200.

The previous prime is 3673491511. The next prime is 3673491527. The reversal of 3673491520 is 251943763.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3673491527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896 + ... + 85735.

Almost surely, 2^3673491520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407188544).

3673491520 is an abundant number, since it is smaller than the sum of its proper divisors (5140885568).

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

3673491520 is a wasteful number, since it uses less digits than its factorization.

3673491520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87779 (or 87769 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3673491520 is about 60609.3352545629. The cubic root of 3673491520 is about 1542.9778105374.

The spelling of 3673491520 in words is "three billion, six hundred seventy-three million, four hundred ninety-one thousand, five hundred twenty".