72940850 has 12 divisors (see below), whose sum is σ = 135670074. Its totient is φ = 29176320.

The previous prime is 72940837. The next prime is 72940853. The reversal of 72940850 is 5804927.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30547729 + 42393121 = 5527^2 + 6511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72940850.

It is not an unprimeable number, because it can be changed into a prime (72940853) 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, 729359 + ... + 729458.

Almost surely, 2^72940850 is an apocalyptic number.

72940850 is a deficient number, since it is larger than the sum of its proper divisors (62729224).

72940850 is a wasteful number, since it uses less digits than its factorization.

72940850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458829 (or 1458824 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 72940850 is about 8540.5415519158. The cubic root of 72940850 is about 417.8210088106.

The spelling of 72940850 in words is "seventy-two million, nine hundred forty thousand, eight hundred fifty".