79376220 has 384 divisors, whose sum is σ = 325140480. Its totient is φ = 15586560.

The previous prime is 79376201. The next prime is 79376263. The reversal of 79376220 is 2267397.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 956299 + ... + 956381.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^79376220 is an apocalyptic number.

79376220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79376220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162570240).

79376220 is an abundant number, since it is smaller than the sum of its proper divisors (245764260).

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

79376220 is a wasteful number, since it uses less digits than its factorization.

79376220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 79376220 is about 8909.3333083907. Note that the first 4 decimals coincide. The cubic root of 79376220 is about 429.7641035304.

The spelling of 79376220 in words is "seventy-nine million, three hundred seventy-six thousand, two hundred twenty".