76421626 has 4 divisors (see below), whose sum is σ = 114632442. Its totient is φ = 38210812.

The previous prime is 76421623. The next prime is 76421627. The reversal of 76421626 is 62612467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 19404025 = 7551^2 + 4405^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76421591 and 76421600.

It is not an unprimeable number, because it can be changed into a prime (76421623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19105405 + ... + 19105408.

Almost surely, 2^76421626 is an apocalyptic number.

76421626 is a deficient number, since it is larger than the sum of its proper divisors (38210816).

76421626 is a wasteful number, since it uses less digits than its factorization.

76421626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38210815.

The product of its digits is 24192, while the sum is 34.

The square root of 76421626 is about 8741.9463507848. The cubic root of 76421626 is about 424.3642184615.

The spelling of 76421626 in words is "seventy-six million, four hundred twenty-one thousand, six hundred twenty-six".