76396289 has 4 divisors (see below), whose sum is σ = 76527024. Its totient is φ = 76265556.

The previous prime is 76396259. The next prime is 76396301. The reversal of 76396289 is 98269367.

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 a de Polignac number, because none of the positive numbers 2^k-76396289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76396219) 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, 64487 + ... + 65660.

It is an arithmetic number, because the mean of its divisors is an integer number (19131756).

Almost surely, 2^76396289 is an apocalyptic number.

It is an amenable number.

76396289 is a deficient number, since it is larger than the sum of its proper divisors (130735).

76396289 is a wasteful number, since it uses less digits than its factorization.

76396289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130734.

The product of its digits is 979776, while the sum is 50.

The square root of 76396289 is about 8740.4970682450. The cubic root of 76396289 is about 424.3173150510.

The spelling of 76396289 in words is "seventy-six million, three hundred ninety-six thousand, two hundred eighty-nine".