76409607 has 4 divisors (see below), whose sum is σ = 101879480. Its totient is φ = 50939736.

The previous prime is 76409587. The next prime is 76409629. The reversal of 76409607 is 70690467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70690467 = 3 ⋅23563489.

It is not a de Polignac number, because 76409607 - 2⁷ = 76409479 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 (76409647) 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, 12734932 + ... + 12734937.

It is an arithmetic number, because the mean of its divisors is an integer number (25469870).

Almost surely, 2^76409607 is an apocalyptic number.

76409607 is a deficient number, since it is larger than the sum of its proper divisors (25469873).

76409607 is a wasteful number, since it uses less digits than its factorization.

76409607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25469872.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 76409607 is about 8741.2588910294. The cubic root of 76409607 is about 424.3419703920.

The spelling of 76409607 in words is "seventy-six million, four hundred nine thousand, six hundred seven".