73572912 has 90 divisors (see below), whose sum is σ = 239541588. Its totient is φ = 21018816.

The previous prime is 73572911. The next prime is 73572949. The reversal of 73572912 is 21927537.

73572912 is a `hidden beast` number, since 73 + 572 + 9 + 12 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (73572911) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1843 + ... + 12269.

Almost surely, 2^73572912 is an apocalyptic number.

73572912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73572912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119770794).

73572912 is an abundant number, since it is smaller than the sum of its proper divisors (165968676).

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

73572912 is a wasteful number, since it uses less digits than its factorization.

73572912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10455 (or 10439 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 73572912 is about 8577.4653598834. The cubic root of 73572912 is about 419.0244022524.

It can be divided in two parts, 73 and 572912, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 73572912 in words is "seventy-three million, five hundred seventy-two thousand, nine hundred twelve".