73420532 has 24 divisors (see below), whose sum is σ = 130818240. Its totient is φ = 36048320.

The previous prime is 73420513. The next prime is 73420537. The reversal of 73420532 is 23502437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420537) 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, 118688 + ... + 119304.

It is an arithmetic number, because the mean of its divisors is an integer number (5450760).

Almost surely, 2^73420532 is an apocalyptic number.

It is an amenable number.

73420532 is a deficient number, since it is larger than the sum of its proper divisors (57397708).

73420532 is a wasteful number, since it uses less digits than its factorization.

73420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 73420532 is about 8568.5781784378. The cubic root of 73420532 is about 418.7349158597.

Adding to 73420532 its reverse (23502437), we get a palindrome (96922969).

The spelling of 73420532 in words is "seventy-three million, four hundred twenty thousand, five hundred thirty-two".