73573732 has 12 divisors (see below), whose sum is σ = 128814336. Its totient is φ = 36769640.

The previous prime is 73573691. The next prime is 73573733. The reversal of 73573732 is 23737537.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73573691 and 73573700.

It is not an unprimeable number, because it can be changed into a prime (73573733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13293 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (10734528).

Almost surely, 2^73573732 is an apocalyptic number.

It is an amenable number.

73573732 is a deficient number, since it is larger than the sum of its proper divisors (55240604).

73573732 is a wasteful number, since it uses less digits than its factorization.

73573732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618 (or 8616 counting only the distinct ones).

The product of its digits is 92610, while the sum is 37.

The square root of 73573732 is about 8577.5131594186. The cubic root of 73573732 is about 419.0259589790.

It can be divided in two parts, 73573 and 732, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 73573732 in words is "seventy-three million, five hundred seventy-three thousand, seven hundred thirty-two".