3654635072 has 28 divisors (see below), whose sum is σ = 7911455856. Its totient is φ = 1661197440.

The previous prime is 3654635041. The next prime is 3654635093. The reversal of 3654635072 is 2705364563.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594918 + ... + 2596325.

Almost surely, 2^3654635072 is an apocalyptic number.

3654635072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3654635072 is an abundant number, since it is smaller than the sum of its proper divisors (4256820784).

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

3654635072 is a wasteful number, since it uses less digits than its factorization.

3654635072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191266 (or 5191256 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 41.

The square root of 3654635072 is about 60453.5778262958. The cubic root of 3654635072 is about 1540.3331870299. Note that the first 3 decimals are identical.

The spelling of 3654635072 in words is "three billion, six hundred fifty-four million, six hundred thirty-five thousand, seventy-two".