72678698 has 16 divisors (see below), whose sum is σ = 112979880. Its totient is φ = 35023296.

The previous prime is 72678659. The next prime is 72678703. The reversal of 72678698 is 89687627.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48344209 + 24334489 = 6953^2 + 4933^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58136 + ... + 59372.

Almost surely, 2^72678698 is an apocalyptic number.

72678698 is a deficient number, since it is larger than the sum of its proper divisors (40301182).

72678698 is a wasteful number, since it uses less digits than its factorization.

72678698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

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

The square root of 72678698 is about 8525.1802326989. The cubic root of 72678698 is about 417.3198534356.

The spelling of 72678698 in words is "seventy-two million, six hundred seventy-eight thousand, six hundred ninety-eight".