79489670 has 16 divisors (see below), whose sum is σ = 154087920. Its totient is φ = 29349984.

The previous prime is 79489607. The next prime is 79489687. The reversal of 79489670 is 7698497.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305600 + ... + 305859.

It is an arithmetic number, because the mean of its divisors is an integer number (9630495).

Almost surely, 2^79489670 is an apocalyptic number.

79489670 is a deficient number, since it is larger than the sum of its proper divisors (74598250).

79489670 is a wasteful number, since it uses less digits than its factorization.

79489670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611479.

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

The square root of 79489670 is about 8915.6979536097. The cubic root of 79489670 is about 429.9687556169.

The spelling of 79489670 in words is "seventy-nine million, four hundred eighty-nine thousand, six hundred seventy".