73783312 has 10 divisors (see below), whose sum is σ = 142955198. Its totient is φ = 36891648.

The previous prime is 73783309. The next prime is 73783319. The reversal of 73783312 is 21338737.

It can be written as a sum of positive squares in only one way, i.e., 56610576 + 17172736 = 7524^2 + 4144^2 .

It is not an unprimeable number, because it can be changed into a prime (73783319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2305713 + ... + 2305744.

Almost surely, 2^73783312 is an apocalyptic number.

It is an amenable number.

73783312 is a deficient number, since it is larger than the sum of its proper divisors (69171886).

73783312 is a wasteful number, since it uses less digits than its factorization.

73783312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611465 (or 4611459 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 73783312 is about 8589.7212993205. The cubic root of 73783312 is about 419.4234568502.

The spelling of 73783312 in words is "seventy-three million, seven hundred eighty-three thousand, three hundred twelve".