76747142 has 8 divisors (see below), whose sum is σ = 115447896. Its totient is φ = 38264512.

The previous prime is 76747133. The next prime is 76747169. The reversal of 76747142 is 24174767.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 76747096 and 76747105.

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, 53648 + ... + 55059.

It is an arithmetic number, because the mean of its divisors is an integer number (14430987).

Almost surely, 2^76747142 is an apocalyptic number.

76747142 is a deficient number, since it is larger than the sum of its proper divisors (38700754).

76747142 is a wasteful number, since it uses less digits than its factorization.

76747142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109062.

The product of its digits is 65856, while the sum is 38.

The square root of 76747142 is about 8760.5446177735. The cubic root of 76747142 is about 424.9658879196.

The spelling of 76747142 in words is "seventy-six million, seven hundred forty-seven thousand, one hundred forty-two".