73731276 has 24 divisors (see below), whose sum is σ = 191155440. Its totient is φ = 24577056.

The previous prime is 73731271. The next prime is 73731277. The reversal of 73731276 is 67213737.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73731276.

It is not an unprimeable number, because it can be changed into a prime (73731271) 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 7 ways as a sum of consecutive naturals, for example, 341241 + ... + 341456.

It is an arithmetic number, because the mean of its divisors is an integer number (7964810).

Almost surely, 2^73731276 is an apocalyptic number.

It is an amenable number.

73731276 is an abundant number, since it is smaller than the sum of its proper divisors (117424164).

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

73731276 is a wasteful number, since it uses less digits than its factorization.

73731276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682710 (or 682702 counting only the distinct ones).

The product of its digits is 37044, while the sum is 36.

The square root of 73731276 is about 8586.6917960295. The cubic root of 73731276 is about 419.3248335926.

It can be divided in two parts, 7373 and 1276, that added together give a square (8649 = 93²).

The spelling of 73731276 in words is "seventy-three million, seven hundred thirty-one thousand, two hundred seventy-six".