74707757642 has 8 divisors (see below), whose sum is σ = 128070441696. Its totient is φ = 32017610412.

The previous prime is 74707757633. The next prime is 74707757713. The reversal of 74707757642 is 24675770747.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668134188 + ... + 2668134215.

It is an arithmetic number, because the mean of its divisors is an integer number (16008805212).

Almost surely, 2^74707757642 is an apocalyptic number.

74707757642 is a deficient number, since it is larger than the sum of its proper divisors (53362684054).

74707757642 is a wasteful number, since it uses less digits than its factorization.

74707757642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336268412.

The product of its (nonzero) digits is 16134720, while the sum is 56.

The spelling of 74707757642 in words is "seventy-four billion, seven hundred seven million, seven hundred fifty-seven thousand, six hundred forty-two".