76861340 has 12 divisors (see below), whose sum is σ = 161408856. Its totient is φ = 30744528.

The previous prime is 76861333. The next prime is 76861363. The reversal of 76861340 is 4316867.

It is a self number, because there is not a number n which added to its sum of digits gives 76861340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921514 + ... + 1921553.

It is an arithmetic number, because the mean of its divisors is an integer number (13450738).

Almost surely, 2^76861340 is an apocalyptic number.

It is an amenable number.

76861340 is an abundant number, since it is smaller than the sum of its proper divisors (84547516).

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

76861340 is a wasteful number, since it uses less digits than its factorization.

76861340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843076 (or 3843074 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 76861340 is about 8767.0599404818. The cubic root of 76861340 is about 425.1765633160.

The spelling of 76861340 in words is "seventy-six million, eight hundred sixty-one thousand, three hundred forty".