77234980 has 48 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 29868800.

The previous prime is 77234951. The next prime is 77234999. The reversal of 77234980 is 8943277.

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, 107061 + ... + 107779.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^77234980 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 77234980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

77234980 is an abundant number, since it is smaller than the sum of its proper divisors (90415580).

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

77234980 is a wasteful number, since it uses less digits than its factorization.

77234980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 77234980 is about 8788.3434161394. The cubic root of 77234980 is about 425.8644090800.

The spelling of 77234980 in words is "seventy-seven million, two hundred thirty-four thousand, nine hundred eighty".