76725780 has 48 divisors (see below), whose sum is σ = 216545280. Its totient is φ = 20297088.

The previous prime is 76725731. The next prime is 76725797. The reversal of 76725780 is 8752767.

It is a super-3 number, since 3×76725780³ (a number of 25 digits) contains 333 as substring.

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, 2586 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (4511360).

Almost surely, 2^76725780 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 76725780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108272640).

76725780 is an abundant number, since it is smaller than the sum of its proper divisors (139819500).

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

76725780 is a wasteful number, since it uses less digits than its factorization.

76725780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208 (or 10206 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 76725780 is about 8759.3253164841. The cubic root of 76725780 is about 424.9264555556.

The spelling of 76725780 in words is "seventy-six million, seven hundred twenty-five thousand, seven hundred eighty".