73653872 has 20 divisors (see below), whose sum is σ = 142884456. Its totient is φ = 36780480.

The previous prime is 73653871. The next prime is 73653929. The reversal of 73653872 is 27835637.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73653871) 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, 12722 + ... + 17582.

Almost surely, 2^73653872 is an apocalyptic number.

It is an amenable number.

73653872 is a deficient number, since it is larger than the sum of its proper divisors (69230584).

73653872 is a wasteful number, since it uses less digits than its factorization.

73653872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816 (or 5810 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 73653872 is about 8582.1834051714. The cubic root of 73653872 is about 419.1780447585.

The spelling of 73653872 in words is "seventy-three million, six hundred fifty-three thousand, eight hundred seventy-two".