72653531547432 has 32 divisors (see below), whose sum is σ = 198145995130080. Its totient is φ = 22016221680960.

The previous prime is 72653531547413. The next prime is 72653531547523. The reversal of 72653531547432 is 23474513535627.

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, 137601385243 + ... + 137601385770.

It is an arithmetic number, because the mean of its divisors is an integer number (6192062347815).

Almost surely, 2^{72653531547432} is an apocalyptic number.

It is an amenable number.

72653531547432 is an abundant number, since it is smaller than the sum of its proper divisors (125492463582648).

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

72653531547432 is a wasteful number, since it uses less digits than its factorization.

72653531547432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275202771033 (or 275202771029 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 57.

The spelling of 72653531547432 in words is "seventy-two trillion, six hundred fifty-three billion, five hundred thirty-one million, five hundred forty-seven thousand, four hundred thirty-two".