3645372748 has 12 divisors (see below), whose sum is σ = 6405874552. Its totient is φ = 1815122880.

The previous prime is 3645372743. The next prime is 3645372751. The reversal of 3645372748 is 8472735463.

It is a super-2 number, since 2×3645372748² = 26577484943722143008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3645372743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1889790 + ... + 1891717.

Almost surely, 2^3645372748 is an apocalyptic number.

It is an amenable number.

3645372748 is a deficient number, since it is larger than the sum of its proper divisors (2760501804).

3645372748 is a wasteful number, since it uses less digits than its factorization.

3645372748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781752 (or 3781750 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 49.

The square root of 3645372748 is about 60376.9223130825. The cubic root of 3645372748 is about 1539.0308103126.

The spelling of 3645372748 in words is "three billion, six hundred forty-five million, three hundred seventy-two thousand, seven hundred forty-eight".