74148734 has 16 divisors (see below), whose sum is σ = 126610560. Its totient is φ = 32238360.

The previous prime is 74148691. The next prime is 74148743. The reversal of 74148734 is 43784147.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72764 + ... + 73775.

It is an arithmetic number, because the mean of its divisors is an integer number (7913160).

Almost surely, 2^74148734 is an apocalyptic number.

74148734 is a deficient number, since it is larger than the sum of its proper divisors (52461826).

74148734 is a wasteful number, since it uses less digits than its factorization.

74148734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146575.

The product of its digits is 75264, while the sum is 38.

The square root of 74148734 is about 8610.9659156218. The cubic root of 74148734 is about 420.1147343384.

The spelling of 74148734 in words is "seventy-four million, one hundred forty-eight thousand, seven hundred thirty-four".