79621212 has 24 divisors (see below), whose sum is σ = 202672512. Its totient is φ = 24127600.

The previous prime is 79621187. The next prime is 79621219. The reversal of 79621212 is 21212697.

It is a self number, because there is not a number n which added to its sum of digits gives 79621212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79621219) 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, 301464 + ... + 301727.

It is an arithmetic number, because the mean of its divisors is an integer number (8444688).

Almost surely, 2^79621212 is an apocalyptic number.

It is an amenable number.

79621212 is an abundant number, since it is smaller than the sum of its proper divisors (123051300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79621212 is a wasteful number, since it uses less digits than its factorization.

79621212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603209 (or 603207 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 79621212 is about 8923.0718925715. The cubic root of 79621212 is about 430.2058001713.

The spelling of 79621212 in words is "seventy-nine million, six hundred twenty-one thousand, two hundred twelve".