77326056 has 64 divisors (see below), whose sum is σ = 215750400. Its totient is φ = 25660800.

The previous prime is 77326021. The next prime is 77326061. The reversal of 77326056 is 65062377.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 77326056.

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, 57876 + ... + 59196.

It is an arithmetic number, because the mean of its divisors is an integer number (3371100).

Almost surely, 2^77326056 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 77326056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107875200).

77326056 is an abundant number, since it is smaller than the sum of its proper divisors (138424344).

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

77326056 is a wasteful number, since it uses less digits than its factorization.

77326056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 77326056 is about 8793.5235258683. The cubic root of 77326056 is about 426.0317373697.

The spelling of 77326056 in words is "seventy-seven million, three hundred twenty-six thousand, fifty-six".