76490879 has 4 divisors (see below), whose sum is σ = 76559760. Its totient is φ = 76422000.

The previous prime is 76490861. The next prime is 76490923. The reversal of 76490879 is 97809467.

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: 97809467 = 7 ⋅13972781.

It is a cyclic number.

It is not a de Polignac number, because 76490879 - 2²⁴ = 59713663 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 (76490849) 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, 32747 + ... + 35004.

It is an arithmetic number, because the mean of its divisors is an integer number (19139940).

Almost surely, 2^76490879 is an apocalyptic number.

76490879 is a deficient number, since it is larger than the sum of its proper divisors (68881).

76490879 is a wasteful number, since it uses less digits than its factorization.

76490879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68880.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 76490879 is about 8745.9064138601. The cubic root of 76490879 is about 424.4923655318.

The spelling of 76490879 in words is "seventy-six million, four hundred ninety thousand, eight hundred seventy-nine".