79621070 has 16 divisors (see below), whose sum is σ = 145046160. Its totient is φ = 31464384.

The previous prime is 79621067. The next prime is 79621109. The reversal of 79621070 is 7012697.

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, 47135 + ... + 48794.

It is an arithmetic number, because the mean of its divisors is an integer number (9065385).

Almost surely, 2^79621070 is an apocalyptic number.

79621070 is a deficient number, since it is larger than the sum of its proper divisors (65425090).

79621070 is a wasteful number, since it uses less digits than its factorization.

79621070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96019.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 79621070 is about 8923.0639356669. The cubic root of 79621070 is about 430.2055444217.

The spelling of 79621070 in words is "seventy-nine million, six hundred twenty-one thousand, seventy".