74741542154 has 4 divisors (see below), whose sum is σ = 112112313234. Its totient is φ = 37370771076.

The previous prime is 74741542129. The next prime is 74741542171. The reversal of 74741542154 is 45124514747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67011088225 + 7730453929 = 258865^2 + 87923^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18685385537 + ... + 18685385540.

Almost surely, 2^74741542154 is an apocalyptic number.

74741542154 is a deficient number, since it is larger than the sum of its proper divisors (37370771080).

74741542154 is a wasteful number, since it uses less digits than its factorization.

74741542154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370771079.

The product of its digits is 627200, while the sum is 44.

The spelling of 74741542154 in words is "seventy-four billion, seven hundred forty-one million, five hundred forty-two thousand, one hundred fifty-four".