76871673 has 10 divisors (see below), whose sum is σ = 114833114. Its totient is φ = 51247728.

The previous prime is 76871657. The next prime is 76871687. The reversal of 76871673 is 37617867.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76685049 + 186624 = 8757^2 + 432^2 .

It is not a de Polignac number, because 76871673 - 2⁴ = 76871657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76871623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 474436 + ... + 474597.

Almost surely, 2^76871673 is an apocalyptic number.

It is an amenable number.

76871673 is a deficient number, since it is larger than the sum of its proper divisors (37961441).

76871673 is an equidigital number, since it uses as much as digits as its factorization.

76871673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949045 (or 949036 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 76871673 is about 8767.6492288412. The cubic root of 76871673 is about 425.1956156015.

The spelling of 76871673 in words is "seventy-six million, eight hundred seventy-one thousand, six hundred seventy-three".