79321630 has 16 divisors (see below), whose sum is σ = 143823600. Its totient is φ = 31496512.

The previous prime is 79321603. The next prime is 79321631. The reversal of 79321630 is 3612397.

It is a junction number, because it is equal to n+sod(n) for n = 79321592 and 79321601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79321631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27580 + ... + 30319.

It is an arithmetic number, because the mean of its divisors is an integer number (8988975).

Almost surely, 2^79321630 is an apocalyptic number.

79321630 is a deficient number, since it is larger than the sum of its proper divisors (64501970).

79321630 is a wasteful number, since it uses less digits than its factorization.

79321630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58043.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 79321630 is about 8906.2691403303. The cubic root of 79321630 is about 429.6655593116.

The spelling of 79321630 in words is "seventy-nine million, three hundred twenty-one thousand, six hundred thirty".