74617142 has 16 divisors (see below), whose sum is σ = 118129200. Its totient is φ = 35251200.

The previous prime is 74617139. The next prime is 74617157. The reversal of 74617142 is 24171647.

It is a junction number, because it is equal to n+sod(n) for n = 74617099 and 74617108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13142 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (7383075).

Almost surely, 2^74617142 is an apocalyptic number.

74617142 is a deficient number, since it is larger than the sum of its proper divisors (43512058).

74617142 is a wasteful number, since it uses less digits than its factorization.

74617142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

The product of its digits is 9408, while the sum is 32.

The square root of 74617142 is about 8638.1214392945. The cubic root of 74617142 is about 420.9975193705.

Adding to 74617142 its reverse (24171647), we get a palindrome (98788789).

The spelling of 74617142 in words is "seventy-four million, six hundred seventeen thousand, one hundred forty-two".