79420766 has 8 divisors (see below), whose sum is σ = 119189064. Its totient is φ = 39691080.

The previous prime is 79420727. The next prime is 79420769. The reversal of 79420766 is 66702497.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79420769) 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, 3800 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (14898633).

Almost surely, 2^79420766 is an apocalyptic number.

79420766 is a deficient number, since it is larger than the sum of its proper divisors (39768298).

79420766 is a wasteful number, since it uses less digits than its factorization.

79420766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 79420766 is about 8911.8329203369. The cubic root of 79420766 is about 429.8444831521.

The spelling of 79420766 in words is "seventy-nine million, four hundred twenty thousand, seven hundred sixty-six".