72974050 has 12 divisors (see below), whose sum is σ = 135731826. Its totient is φ = 29189600.

The previous prime is 72974039. The next prime is 72974059. The reversal of 72974050 is 5047927.

It can be written as a sum of positive squares in 3 ways, for example, as 64016001 + 8958049 = 8001^2 + 2993^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72973997 and 72974015.

It is not an unprimeable number, because it can be changed into a prime (72974059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729691 + ... + 729790.

Almost surely, 2^72974050 is an apocalyptic number.

72974050 is a deficient number, since it is larger than the sum of its proper divisors (62757776).

72974050 is a wasteful number, since it uses less digits than its factorization.

72974050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459493 (or 1459488 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 72974050 is about 8542.4850014501. The cubic root of 72974050 is about 417.8843914620.

The spelling of 72974050 in words is "seventy-two million, nine hundred seventy-four thousand, fifty".