72600078 has 16 divisors (see below), whose sum is σ = 149884416. Its totient is φ = 23419320.

The previous prime is 72600071. The next prime is 72600091. The reversal of 72600078 is 87000627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72600071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194976 + ... + 195347.

It is an arithmetic number, because the mean of its divisors is an integer number (9367776).

Almost surely, 2^72600078 is an apocalyptic number.

72600078 is an abundant number, since it is smaller than the sum of its proper divisors (77284338).

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

72600078 is a wasteful number, since it uses less digits than its factorization.

72600078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390359.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 72600078 is about 8520.5679388172. The cubic root of 72600078 is about 417.1693209069.

The spelling of 72600078 in words is "seventy-two million, six hundred thousand, seventy-eight".