76538670 has 64 divisors (see below), whose sum is σ = 198918720. Its totient is φ = 18736128.

The previous prime is 76538663. The next prime is 76538689. The reversal of 76538670 is 7683567.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88882 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (3108105).

Almost surely, 2^76538670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76538670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99459360).

76538670 is an abundant number, since it is smaller than the sum of its proper divisors (122380050).

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

76538670 is a wasteful number, since it uses less digits than its factorization.

76538670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 76538670 is about 8748.6381797397. The cubic root of 76538670 is about 424.5807538091.

The spelling of 76538670 in words is "seventy-six million, five hundred thirty-eight thousand, six hundred seventy".