72968786 has 32 divisors (see below), whose sum is σ = 122472000. Its totient is φ = 32327680.

The previous prime is 72968783. The next prime is 72968801. The reversal of 72968786 is 68786927.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72968783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162290 + ... + 162738.

It is an arithmetic number, because the mean of its divisors is an integer number (3827250).

Almost surely, 2^72968786 is an apocalyptic number.

72968786 is a deficient number, since it is larger than the sum of its proper divisors (49503214).

72968786 is a wasteful number, since it uses less digits than its factorization.

72968786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its digits is 2032128, while the sum is 53.

The square root of 72968786 is about 8542.1768888264. The cubic root of 72968786 is about 417.8743431579.

The spelling of 72968786 in words is "seventy-two million, nine hundred sixty-eight thousand, seven hundred eighty-six".