76423237 has 6 divisors (see below), whose sum is σ = 84002534. Its totient is φ = 69475560.

The previous prime is 76423223. The next prime is 76423253. The reversal of 76423237 is 73232467.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 14737921 = 7854^2 + 3839^2 .

It is a de Polignac number, because none of the positive numbers 2^k-76423237 is a prime.

It is a super-2 number, since 2×76423237² = 11681022307116338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76423267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315678 + ... + 315919.

Almost surely, 2^76423237 is an apocalyptic number.

It is an amenable number.

76423237 is a deficient number, since it is larger than the sum of its proper divisors (7579297).

76423237 is a wasteful number, since it uses less digits than its factorization.

76423237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631619 (or 631608 counting only the distinct ones).

The product of its digits is 42336, while the sum is 34.

The square root of 76423237 is about 8742.0384922511. The cubic root of 76423237 is about 424.3672003659.

The spelling of 76423237 in words is "seventy-six million, four hundred twenty-three thousand, two hundred thirty-seven".