76423897 has 16 divisors (see below), whose sum is σ = 86482944. Its totient is φ = 66906000.

The previous prime is 76423883. The next prime is 76423931. The reversal of 76423897 is 79832467.

It is a cyclic number.

It is not a de Polignac number, because 76423897 - 2¹⁵ = 76391129 is a prime.

It is a super-2 number, since 2×76423897² = 11681224065333218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76423807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91998 + ... + 92824.

It is an arithmetic number, because the mean of its divisors is an integer number (5405184).

Almost surely, 2^76423897 is an apocalyptic number.

It is an amenable number.

76423897 is a deficient number, since it is larger than the sum of its proper divisors (10059047).

76423897 is a wasteful number, since it uses less digits than its factorization.

76423897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its digits is 508032, while the sum is 46.

The square root of 76423897 is about 8742.0762408023. The cubic root of 76423897 is about 424.3684219907.

The spelling of 76423897 in words is "seventy-six million, four hundred twenty-three thousand, eight hundred ninety-seven".