76668237 has 24 divisors (see below), whose sum is σ = 114194808. Its totient is φ = 49536000.

The previous prime is 76668209. The next prime is 76668247. The reversal of 76668237 is 73286667.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 76632516 = 189^2 + 8754^2 .

It is not a de Polignac number, because 76668237 - 2¹⁵ = 76635469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76668192 and 76668201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76668247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63237 + ... + 64437.

It is an arithmetic number, because the mean of its divisors is an integer number (4758117).

Almost surely, 2^76668237 is an apocalyptic number.

It is an amenable number.

76668237 is a deficient number, since it is larger than the sum of its proper divisors (37526571).

76668237 is a wasteful number, since it uses less digits than its factorization.

76668237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1418 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 76668237 is about 8756.0400296024. The cubic root of 76668237 is about 424.8201998385.

The spelling of 76668237 in words is "seventy-six million, six hundred sixty-eight thousand, two hundred thirty-seven".