79649276 has 48 divisors (see below), whose sum is σ = 167172096. Its totient is φ = 32465664.

The previous prime is 79649257. The next prime is 79649281. The reversal of 79649276 is 67294697.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216845 + ... + 217211.

It is an arithmetic number, because the mean of its divisors is an integer number (3482752).

Almost surely, 2^79649276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79649276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83586048).

79649276 is an abundant number, since it is smaller than the sum of its proper divisors (87522820).

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

79649276 is a wasteful number, since it uses less digits than its factorization.

79649276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 79649276 is about 8924.6443066377. The cubic root of 79649276 is about 430.2563389538.

The spelling of 79649276 in words is "seventy-nine million, six hundred forty-nine thousand, two hundred seventy-six".