72654537 has 12 divisors (see below), whose sum is σ = 102061680. Its totient is φ = 45846432.

The previous prime is 72654521. The next prime is 72654551. The reversal of 72654537 is 73545627.

It is not a de Polignac number, because 72654537 - 2⁴ = 72654521 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72654495 and 72654504.

It is not an unprimeable number, because it can be changed into a prime (72654557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63789 + ... + 64917.

It is an arithmetic number, because the mean of its divisors is an integer number (8505140).

Almost surely, 2^72654537 is an apocalyptic number.

It is an amenable number.

72654537 is a deficient number, since it is larger than the sum of its proper divisors (29407143).

72654537 is an equidigital number, since it uses as much as digits as its factorization.

72654537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280 (or 1151 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 72654537 is about 8523.7630774207. The cubic root of 72654537 is about 417.2736042926.

The spelling of 72654537 in words is "seventy-two million, six hundred fifty-four thousand, five hundred thirty-seven".