74655142 has 16 divisors (see below), whose sum is σ = 118110960. Its totient is φ = 35292672.

The previous prime is 74655131. The next prime is 74655157. The reversal of 74655142 is 24155647.

It is a junction number, because it is equal to n+sod(n) for n = 74655098 and 74655107.

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 7 ways as a sum of consecutive naturals, for example, 20878 + ... + 24190.

It is an arithmetic number, because the mean of its divisors is an integer number (7381935).

Almost surely, 2^74655142 is an apocalyptic number.

74655142 is a deficient number, since it is larger than the sum of its proper divisors (43455818).

74655142 is a wasteful number, since it uses less digits than its factorization.

74655142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927.

The product of its digits is 33600, while the sum is 34.

The square root of 74655142 is about 8640.3207116403. The cubic root of 74655142 is about 421.0689738662.

The spelling of 74655142 in words is "seventy-four million, six hundred fifty-five thousand, one hundred forty-two".