76140742 has 4 divisors (see below), whose sum is σ = 114211116. Its totient is φ = 38070370.

The previous prime is 76140707. The next prime is 76140763. The reversal of 76140742 is 24704167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24704167 = 127 ⋅194521.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19035184 + ... + 19035187.

It is an arithmetic number, because the mean of its divisors is an integer number (28552779).

Almost surely, 2^76140742 is an apocalyptic number.

76140742 is a deficient number, since it is larger than the sum of its proper divisors (38070374).

76140742 is a wasteful number, since it uses less digits than its factorization.

76140742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38070373.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 76140742 is about 8725.8662607216. The cubic root of 76140742 is about 423.8436701179.

The spelling of 76140742 in words is "seventy-six million, one hundred forty thousand, seven hundred forty-two".