75783142 has 8 divisors (see below), whose sum is σ = 114252336. Its totient is φ = 37699032.

The previous prime is 75783139. The next prime is 75783151. The reversal of 75783142 is 24138757.

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

It is a super-2 number, since 2×75783142² = 11486169222784328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95778 + ... + 96565.

It is an arithmetic number, because the mean of its divisors is an integer number (14281542).

Almost surely, 2^75783142 is an apocalyptic number.

75783142 is a deficient number, since it is larger than the sum of its proper divisors (38469194).

75783142 is a wasteful number, since it uses less digits than its factorization.

75783142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192542.

The product of its digits is 47040, while the sum is 37.

The square root of 75783142 is about 8705.3513427087. The cubic root of 75783142 is about 423.1790920652.

The spelling of 75783142 in words is "seventy-five million, seven hundred eighty-three thousand, one hundred forty-two".