76256730774 has 128 divisors (see below), whose sum is σ = 204000384000. Its totient is φ = 20626804224.

The previous prime is 76256730769. The next prime is 76256730791. The reversal of 76256730774 is 47703765267.

76256730774 is a `hidden beast` number, since 7 + 6 + 2 + 567 + 3 + 0 + 7 + 74 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 76256730774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14569662 + ... + 14574894.

It is an arithmetic number, because the mean of its divisors is an integer number (1593753000).

Almost surely, 2^76256730774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76256730774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102000192000).

76256730774 is an abundant number, since it is smaller than the sum of its proper divisors (127743653226).

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

76256730774 is a wasteful number, since it uses less digits than its factorization.

76256730774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299 (or 7293 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 54.

The spelling of 76256730774 in words is "seventy-six billion, two hundred fifty-six million, seven hundred thirty thousand, seven hundred seventy-four".