72296244 has 36 divisors (see below), whose sum is σ = 187002816. Its totient is φ = 23537808.

The previous prime is 72296239. The next prime is 72296249. The reversal of 72296244 is 44269227.

72296244 is a `hidden beast` number, since 7 + 2 + 29 + 624 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (72296239) and next prime (72296249).

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 junction number, because it is equal to n+sod(n) for n = 72296199 and 72296208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72296249) 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, 21804 + ... + 24899.

Almost surely, 2^72296244 is an apocalyptic number.

It is an amenable number.

72296244 is an abundant number, since it is smaller than the sum of its proper divisors (114706572).

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

72296244 is a wasteful number, since it uses less digits than its factorization.

72296244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46756 (or 46751 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 72296244 is about 8502.7198001581. The cubic root of 72296244 is about 416.5865508543.

The spelling of 72296244 in words is "seventy-two million, two hundred ninety-six thousand, two hundred forty-four".