72726036 has 24 divisors (see below), whose sum is σ = 170739744. Its totient is φ = 24092640.

The previous prime is 72726013. The next prime is 72726103. The reversal of 72726036 is 63062727.

It is a junction number, because it is equal to n+sod(n) for n = 72725988 and 72726006.

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, 16635 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (7114156).

Almost surely, 2^72726036 is an apocalyptic number.

It is an amenable number.

72726036 is an abundant number, since it is smaller than the sum of its proper divisors (98013708).

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

72726036 is a wasteful number, since it uses less digits than its factorization.

72726036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37351 (or 37349 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 72726036 is about 8527.9561443525. The cubic root of 72726036 is about 417.4104384363.

The spelling of 72726036 in words is "seventy-two million, seven hundred twenty-six thousand, thirty-six".