3645073744 has 40 divisors (see below), whose sum is σ = 7850941952. Its totient is φ = 1628069760.

The previous prime is 3645073723. The next prime is 3645073769. The reversal of 3645073744 is 4473705463.

It is a self number, because there is not a number n which added to its sum of digits gives 3645073744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276204 + ... + 289099.

Almost surely, 2^3645073744 is an apocalyptic number.

It is an amenable number.

3645073744 is an abundant number, since it is smaller than the sum of its proper divisors (4205868208).

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

3645073744 is a wasteful number, since it uses less digits than its factorization.

3645073744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565355 (or 565349 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The square root of 3645073744 is about 60374.4461175421. The cubic root of 3645073744 is about 1538.9887305782.

The spelling of 3645073744 in words is "three billion, six hundred forty-five million, seventy-three thousand, seven hundred forty-four".