72573036 has 24 divisors (see below), whose sum is σ = 170277744. Its totient is φ = 24056640.

The previous prime is 72573013. The next prime is 72573041. The reversal of 72573036 is 63037527.

It is a junction number, because it is equal to n+sod(n) for n = 72572988 and 72573006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14535 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (7094906).

Almost surely, 2^72573036 is an apocalyptic number.

It is an amenable number.

72573036 is an abundant number, since it is smaller than the sum of its proper divisors (97704708).

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

72573036 is a wasteful number, since it uses less digits than its factorization.

72573036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601 (or 33599 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 72573036 is about 8518.9809249698. The cubic root of 72573036 is about 417.1175188793.

The spelling of 72573036 in words is "seventy-two million, five hundred seventy-three thousand, thirty-six".