76966415 has 4 divisors (see below), whose sum is σ = 92359704. Its totient is φ = 61573128.

The previous prime is 76966411. The next prime is 76966453. The reversal of 76966415 is 51466967.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51466967 = 29 ⋅1774723.

It is a cyclic number.

It is not a de Polignac number, because 76966415 - 2² = 76966411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76966411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7696637 + ... + 7696646.

It is an arithmetic number, because the mean of its divisors is an integer number (23089926).

Almost surely, 2^76966415 is an apocalyptic number.

76966415 is a deficient number, since it is larger than the sum of its proper divisors (15393289).

76966415 is a wasteful number, since it uses less digits than its factorization.

76966415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15393288.

The product of its digits is 272160, while the sum is 44.

The square root of 76966415 is about 8773.0504956942. The cubic root of 76966415 is about 425.3702241112.

The spelling of 76966415 in words is "seventy-six million, nine hundred sixty-six thousand, four hundred fifteen".