79770746 has 8 divisors (see below), whose sum is σ = 130533984. Its totient is φ = 36259420.

The previous prime is 79770689. The next prime is 79770767. The reversal of 79770746 is 64707797.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 79770746.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812950 + ... + 1812993.

It is an arithmetic number, because the mean of its divisors is an integer number (16316748).

Almost surely, 2^79770746 is an apocalyptic number.

79770746 is a deficient number, since it is larger than the sum of its proper divisors (50763238).

79770746 is a wasteful number, since it uses less digits than its factorization.

79770746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625956.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 79770746 is about 8931.4470272179. The cubic root of 79770746 is about 430.4749502390.

The spelling of 79770746 in words is "seventy-nine million, seven hundred seventy thousand, seven hundred forty-six".