72224024 has 32 divisors (see below), whose sum is σ = 145832400. Its totient is φ = 33408000.

The previous prime is 72224023. The next prime is 72224029. The reversal of 72224024 is 42042227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72224023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524 + ... + 12524.

Almost surely, 2^72224024 is an apocalyptic number.

It is an amenable number.

72224024 is an abundant number, since it is smaller than the sum of its proper divisors (73608376).

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

72224024 is a wasteful number, since it uses less digits than its factorization.

72224024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083 (or 9079 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 72224024 is about 8498.4718626351. The cubic root of 72224024 is about 416.4477889000.

The spelling of 72224024 in words is "seventy-two million, two hundred twenty-four thousand, twenty-four".