3645070632 has 80 divisors (see below), whose sum is σ = 11668097760. Its totient is φ = 1041447456.

The previous prime is 3645070621. The next prime is 3645070643. The reversal of 3645070632 is 2360705463.

3645070632 is a `hidden beast` number, since 3 + 645 + 0 + 7 + 0 + 6 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3645070621) and next prime (3645070643).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 397258 + ... + 406329.

It is an arithmetic number, because the mean of its divisors is an integer number (145851222).

Almost surely, 2^3645070632 is an apocalyptic number.

It is an amenable number.

3645070632 is an abundant number, since it is smaller than the sum of its proper divisors (8023027128).

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

3645070632 is a wasteful number, since it uses less digits than its factorization.

3645070632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803612 (or 803599 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 3645070632 is about 60374.4203450435. The cubic root of 3645070632 is about 1538.9882926050.

The spelling of 3645070632 in words is "three billion, six hundred forty-five million, seventy thousand, six hundred thirty-two".