76552280 has 64 divisors (see below), whose sum is σ = 205424640. Its totient is φ = 25103232.

The previous prime is 76552261. The next prime is 76552283. The reversal of 76552280 is 8225567.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 76552280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76552283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (3209760).

Almost surely, 2^76552280 is an apocalyptic number.

76552280 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 76552280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102712320).

76552280 is an abundant number, since it is smaller than the sum of its proper divisors (128872360).

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

76552280 is a wasteful number, since it uses less digits than its factorization.

76552280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 76552280 is about 8749.4159805098. The cubic root of 76552280 is about 424.6059184375.

The spelling of 76552280 in words is "seventy-six million, five hundred fifty-two thousand, two hundred eighty".