74528734 has 16 divisors (see below), whose sum is σ = 130880736. Its totient is φ = 31161600.

The previous prime is 74528711. The next prime is 74528749. The reversal of 74528734 is 43782547.

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, 64347 + ... + 65494.

It is an arithmetic number, because the mean of its divisors is an integer number (8180046).

Almost surely, 2^74528734 is an apocalyptic number.

74528734 is a deficient number, since it is larger than the sum of its proper divisors (56352002).

74528734 is a wasteful number, since it uses less digits than its factorization.

74528734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129891.

The product of its digits is 188160, while the sum is 40.

The square root of 74528734 is about 8633.0026062778. The cubic root of 74528734 is about 420.8311846790.

The spelling of 74528734 in words is "seventy-four million, five hundred twenty-eight thousand, seven hundred thirty-four".