73772232 has 32 divisors (see below), whose sum is σ = 184721280. Its totient is φ = 24552000.

The previous prime is 73772213. The next prime is 73772233. The reversal of 73772232 is 23227737.

It is a junction number, because it is equal to n+sod(n) for n = 73772193 and 73772202.

It is not an unprimeable number, because it can be changed into a prime (73772233) 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, 15978 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (5772540).

Almost surely, 2^73772232 is an apocalyptic number.

It is an amenable number.

73772232 is an abundant number, since it is smaller than the sum of its proper divisors (110949048).

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

73772232 is a wasteful number, since it uses less digits than its factorization.

73772232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4849 counting only the distinct ones).

The product of its digits is 24696, while the sum is 33.

The square root of 73772232 is about 8589.0763182079. The cubic root of 73772232 is about 419.4024609347.

Adding to 73772232 its reverse (23227737), we get a palindrome (96999969).

The spelling of 73772232 in words is "seventy-three million, seven hundred seventy-two thousand, two hundred thirty-two".