73912032 has 36 divisors (see below), whose sum is σ = 210188160. Its totient is φ = 24637248.

The previous prime is 73912031. The next prime is 73912063. The reversal of 73912032 is 23021937.

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

It is a junction number, because it is equal to n+sod(n) for n = 73911987 and 73912005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73912031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128032 + ... + 128607.

It is an arithmetic number, because the mean of its divisors is an integer number (5838560).

Almost surely, 2^73912032 is an apocalyptic number.

73912032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73912032 is an abundant number, since it is smaller than the sum of its proper divisors (136276128).

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

73912032 is a wasteful number, since it uses less digits than its factorization.

73912032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256655 (or 256644 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 73912032 is about 8597.2107104572. The cubic root of 73912032 is about 419.6672193892.

Adding to 73912032 its reverse (23021937), we get a palindrome (96933969).

The spelling of 73912032 in words is "seventy-three million, nine hundred twelve thousand, thirty-two".