74428582 has 8 divisors (see below), whose sum is σ = 115244352. Its totient is φ = 36013800.

The previous prime is 74428577. The next prime is 74428597. The reversal of 74428582 is 28582447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74428582² = 11079227637061448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600169 + ... + 600292.

It is an arithmetic number, because the mean of its divisors is an integer number (14405544).

Almost surely, 2^74428582 is an apocalyptic number.

74428582 is a deficient number, since it is larger than the sum of its proper divisors (40815770).

74428582 is a wasteful number, since it uses less digits than its factorization.

74428582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200494.

The product of its digits is 143360, while the sum is 40.

The square root of 74428582 is about 8627.2001251855. The cubic root of 74428582 is about 420.6425953221.

The spelling of 74428582 in words is "seventy-four million, four hundred twenty-eight thousand, five hundred eighty-two".