76681402 has 16 divisors (see below), whose sum is σ = 137169792. Its totient is φ = 31434480.

The previous prime is 76681399. The next prime is 76681411. The reversal of 76681402 is 20418667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118749 + ... + 119392.

It is an arithmetic number, because the mean of its divisors is an integer number (8573112).

Almost surely, 2^76681402 is an apocalyptic number.

76681402 is a deficient number, since it is larger than the sum of its proper divisors (60488390).

76681402 is a wasteful number, since it uses less digits than its factorization.

76681402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238173.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 76681402 is about 8756.7917641109. The cubic root of 76681402 is about 424.8445142876.

The spelling of 76681402 in words is "seventy-six million, six hundred eighty-one thousand, four hundred two".