76405142 has 16 divisors (see below), whose sum is σ = 129060864. Its totient is φ = 33609000.

The previous prime is 76405141. The next prime is 76405223. The reversal of 76405142 is 24150467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76405141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55334 + ... + 56697.

It is an arithmetic number, because the mean of its divisors is an integer number (8066304).

Almost surely, 2^76405142 is an apocalyptic number.

76405142 is a deficient number, since it is larger than the sum of its proper divisors (52655722).

76405142 is a wasteful number, since it uses less digits than its factorization.

76405142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112075.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 76405142 is about 8741.0034893026. The cubic root of 76405142 is about 424.3337047481. Note that the first 3 decimals are identical.

The spelling of 76405142 in words is "seventy-six million, four hundred five thousand, one hundred forty-two".