72974373630 has 16 divisors (see below), whose sum is σ = 175138496784. Its totient is φ = 19459832960.

The previous prime is 72974373629. The next prime is 72974373649. The reversal of 72974373630 is 3637347927.

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, 1216239531 + ... + 1216239590.

It is an arithmetic number, because the mean of its divisors is an integer number (10946156049).

Almost surely, 2^72974373630 is an apocalyptic number.

72974373630 is an abundant number, since it is smaller than the sum of its proper divisors (102164123154).

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

72974373630 is a wasteful number, since it uses less digits than its factorization.

72974373630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432479131.

The product of its (nonzero) digits is 4000752, while the sum is 51.

The spelling of 72974373630 in words is "seventy-two billion, nine hundred seventy-four million, three hundred seventy-three thousand, six hundred thirty".