76420718 has 16 divisors (see below), whose sum is σ = 127961856. Its totient is φ = 33928440.

The previous prime is 76420711. The next prime is 76420723. The reversal of 76420718 is 81702467.

It is a happy number.

It is a super-2 number, since 2×76420718² = 11680252279271048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76420711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39446 + ... + 41337.

It is an arithmetic number, because the mean of its divisors is an integer number (7997616).

Almost surely, 2^76420718 is an apocalyptic number.

76420718 is a deficient number, since it is larger than the sum of its proper divisors (51541138).

76420718 is a wasteful number, since it uses less digits than its factorization.

76420718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80839.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 76420718 is about 8741.8944171158. The cubic root of 76420718 is about 424.3625377669.

The spelling of 76420718 in words is "seventy-six million, four hundred twenty thousand, seven hundred eighteen".