72276036 has 48 divisors (see below), whose sum is σ = 196847616. Its totient is φ = 20209824.

The previous prime is 72276023. The next prime is 72276067. The reversal of 72276036 is 63067227.

It is a junction number, because it is equal to n+sod(n) for n = 72275988 and 72276006.

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 15 ways as a sum of consecutive naturals, for example, 5206 + ... + 13101.

It is an arithmetic number, because the mean of its divisors is an integer number (4100992).

Almost surely, 2^72276036 is an apocalyptic number.

It is an amenable number.

72276036 is an abundant number, since it is smaller than the sum of its proper divisors (124571580).

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

72276036 is a wasteful number, since it uses less digits than its factorization.

72276036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18368 (or 18366 counting only the distinct ones).

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

The square root of 72276036 is about 8501.5313914612. The cubic root of 72276036 is about 416.5477329525.

The spelling of 72276036 in words is "seventy-two million, two hundred seventy-six thousand, thirty-six".