742157493574 has 8 divisors (see below), whose sum is σ = 1272269989008. Its totient is φ = 318067497240.

The previous prime is 742157493563. The next prime is 742157493593. The reversal of 742157493574 is 475394751247.

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

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, 26505624757 + ... + 26505624784.

It is an arithmetic number, because the mean of its divisors is an integer number (159033748626).

Almost surely, 2^742157493574 is an apocalyptic number.

742157493574 is a deficient number, since it is larger than the sum of its proper divisors (530112495434).

742157493574 is a wasteful number, since it uses less digits than its factorization.

742157493574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53011249550.

The product of its digits is 29635200, while the sum is 58.

The spelling of 742157493574 in words is "seven hundred forty-two billion, one hundred fifty-seven million, four hundred ninety-three thousand, five hundred seventy-four".