72792450 has 36 divisors (see below), whose sum is σ = 195570258. Its totient is φ = 19411200.

The previous prime is 72792449. The next prime is 72792457. The reversal of 72792450 is 5429727.

It can be written as a sum of positive squares in 3 ways, for example, as 52838361 + 19954089 = 7269^2 + 4467^2 .

It is not an unprimeable number, because it can be changed into a prime (72792457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80431 + ... + 81330.

Almost surely, 2^72792450 is an apocalyptic number.

72792450 is an abundant number, since it is smaller than the sum of its proper divisors (122777808).

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

72792450 is a wasteful number, since it uses less digits than its factorization.

72792450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161779 (or 161771 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 72792450 is about 8531.8491547847. The cubic root of 72792450 is about 417.5374606329.

The spelling of 72792450 in words is "seventy-two million, seven hundred ninety-two thousand, four hundred fifty".