72533100657345 has 16 divisors (see below), whose sum is σ = 116054580935040. Its totient is φ = 38683780389504.

The previous prime is 72533100657343. The next prime is 72533100657401. The reversal of 72533100657345 is 54375600133527.

It is not a de Polignac number, because 72533100657345 - 2¹ = 72533100657343 is a prime.

It is a super-2 number, since 2×72533100657345² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72533100657343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32635924 + ... + 34787493.

It is an arithmetic number, because the mean of its divisors is an integer number (7253411308440).

Almost surely, 2^{72533100657345} is an apocalyptic number.

It is an amenable number.

72533100657345 is a deficient number, since it is larger than the sum of its proper divisors (43521480277695).

72533100657345 is a wasteful number, since it uses less digits than its factorization.

72533100657345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67495144.

The product of its (nonzero) digits is 7938000, while the sum is 51.

The spelling of 72533100657345 in words is "seventy-two trillion, five hundred thirty-three billion, one hundred million, six hundred fifty-seven thousand, three hundred forty-five".