76994217 has 12 divisors (see below), whose sum is σ = 115049220. Its totient is φ = 49559328.

The previous prime is 76994171. The next prime is 76994231. The reversal of 76994217 is 71249967.

It can be written as a sum of positive squares in 2 ways, for example, as 28259856 + 48734361 = 5316^2 + 6981^2 .

It is not a de Polignac number, because 76994217 - 2¹¹ = 76992169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76994237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147238 + ... + 147759.

It is an arithmetic number, because the mean of its divisors is an integer number (9587435).

Almost surely, 2^76994217 is an apocalyptic number.

It is an amenable number.

76994217 is a deficient number, since it is larger than the sum of its proper divisors (38055003).

76994217 is a wasteful number, since it uses less digits than its factorization.

76994217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295032 (or 295029 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 76994217 is about 8774.6348641981. The cubic root of 76994217 is about 425.4214357091.

The spelling of 76994217 in words is "seventy-six million, nine hundred ninety-four thousand, two hundred seventeen".