73772532 has 30 divisors (see below), whose sum is σ = 192856818. Its totient is φ = 24590736.

The previous prime is 73772527. The next prime is 73772533. The reversal of 73772532 is 23527737.

It can be written as a sum of positive squares in only one way, i.e., 70660836 + 3111696 = 8406^2 + 1764^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73772533) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 113523 + ... + 114170.

Almost surely, 2^73772532 is an apocalyptic number.

It is an amenable number.

73772532 is an abundant number, since it is smaller than the sum of its proper divisors (119084286).

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

73772532 is a wasteful number, since it uses less digits than its factorization.

73772532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227709 (or 227698 counting only the distinct ones).

The product of its digits is 61740, while the sum is 36.

The square root of 73772532 is about 8589.0937822334. The cubic root of 73772532 is about 419.4030294439.

The spelling of 73772532 in words is "seventy-three million, seven hundred seventy-two thousand, five hundred thirty-two".