76330457 has 4 divisors (see below), whose sum is σ = 87234816. Its totient is φ = 65426100.

The previous prime is 76330453. The next prime is 76330481. The reversal of 76330457 is 75403367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76330457 - 2² = 76330453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76330453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452169 + ... + 5452182.

It is an arithmetic number, because the mean of its divisors is an integer number (21808704).

Almost surely, 2^76330457 is an apocalyptic number.

It is an amenable number.

76330457 is a deficient number, since it is larger than the sum of its proper divisors (10904359).

76330457 is a wasteful number, since it uses less digits than its factorization.

76330457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904358.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 76330457 is about 8736.7303380613. The cubic root of 76330457 is about 424.1953995089.

The spelling of 76330457 in words is "seventy-six million, three hundred thirty thousand, four hundred fifty-seven".