76612500 has 144 divisors (see below), whose sum is σ = 249359040. Its totient is φ = 20340000.

The previous prime is 76612499. The next prime is 76612511. The reversal of 76612500 is 521667.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337387 + ... + 337613.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 2^76612500 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 76612500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124679520).

76612500 is an abundant number, since it is smaller than the sum of its proper divisors (172746540).

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

76612500 is a wasteful number, since it uses less digits than its factorization.

76612500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 76612500 is about 8752.8566765371. The cubic root of 76612500 is about 424.7172282792.

The spelling of 76612500 in words is "seventy-six million, six hundred twelve thousand, five hundred".