72264276 has 36 divisors (see below), whose sum is σ = 208764192. Its totient is φ = 20646864.

The previous prime is 72264253. The next prime is 72264287. The reversal of 72264276 is 67246227.

72264276 is a `hidden beast` number, since 7 + 2 + 2 + 642 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 72264276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143130 + ... + 143633.

Almost surely, 2^72264276 is an apocalyptic number.

It is an amenable number.

72264276 is an abundant number, since it is smaller than the sum of its proper divisors (136499916).

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

72264276 is a wasteful number, since it uses less digits than its factorization.

72264276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286780 (or 286775 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 72264276 is about 8500.8397232273. The cubic root of 72264276 is about 416.5251396315.

The spelling of 72264276 in words is "seventy-two million, two hundred sixty-four thousand, two hundred seventy-six".