76230397 has 12 divisors (see below), whose sum is σ = 83178580. Its totient is φ = 69797376.

The previous prime is 76230367. The next prime is 76230421. The reversal of 76230397 is 79303267.

It can be written as a sum of positive squares in 6 ways, for example, as 23609881 + 52620516 = 4859^2 + 7254^2 .

It is not a de Polignac number, because 76230397 - 2⁷ = 76230269 is a prime.

It is a super-2 number, since 2×76230397² = 11622146853555218, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76230317) 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, 7129 + ... + 14257.

Almost surely, 2^76230397 is an apocalyptic number.

76230397 is the 7129-th pentagonal number.

It is an amenable number.

76230397 is a deficient number, since it is larger than the sum of its proper divisors (6948183).

76230397 is a wasteful number, since it uses less digits than its factorization.

76230397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200 (or 7183 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 76230397 is about 8731.0020616193. The cubic root of 76230397 is about 424.0099621636.

The spelling of 76230397 in words is "seventy-six million, two hundred thirty thousand, three hundred ninety-seven".