73658730736 has 20 divisors (see below), whose sum is σ = 145053363064. Its totient is φ = 36225604800.

The previous prime is 73658730713. The next prime is 73658730737. The reversal of 73658730736 is 63703785637.

It is a super-2 number, since 2×73658730736² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73658730737) 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, 37734030 + ... + 37735981.

Almost surely, 2^73658730736 is an apocalyptic number.

It is an amenable number.

73658730736 is a deficient number, since it is larger than the sum of its proper divisors (71394632328).

73658730736 is a wasteful number, since it uses less digits than its factorization.

73658730736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75470080 (or 75470074 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 55.

The spelling of 73658730736 in words is "seventy-three billion, six hundred fifty-eight million, seven hundred thirty thousand, seven hundred thirty-six".