72364212 has 24 divisors (see below), whose sum is σ = 187611200. Its totient is φ = 24121368.

The previous prime is 72364211. The next prime is 72364249. The reversal of 72364212 is 21246327.

72364212 is a `hidden beast` number, since 7 + 2 + 3 + 642 + 12 = 666.

It is a super-3 number, since 3×72364212³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72364211) 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, 334912 + ... + 335127.

Almost surely, 2^72364212 is an apocalyptic number.

It is an amenable number.

72364212 is an abundant number, since it is smaller than the sum of its proper divisors (115246988).

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

72364212 is a wasteful number, since it uses less digits than its factorization.

72364212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670052 (or 670044 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 72364212 is about 8506.7156999632. The cubic root of 72364212 is about 416.7170587231.

The spelling of 72364212 in words is "seventy-two million, three hundred sixty-four thousand, two hundred twelve".