74009574 has 12 divisors (see below), whose sum is σ = 160354116. Its totient is φ = 24669852.

The previous prime is 74009567. The next prime is 74009591. The reversal of 74009574 is 47590047.

It is a happy number.

It is a super-2 number, since 2×74009574² = 10954834087322952, 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 5 ways as a sum of consecutive naturals, for example, 2055804 + ... + 2055839.

It is an arithmetic number, because the mean of its divisors is an integer number (13362843).

Almost surely, 2^74009574 is an apocalyptic number.

74009574 is an abundant number, since it is smaller than the sum of its proper divisors (86344542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74009574 is a wasteful number, since it uses less digits than its factorization.

74009574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111651 (or 4111648 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 74009574 is about 8602.8817264914. The cubic root of 74009574 is about 419.8517503988.

The spelling of 74009574 in words is "seventy-four million, nine thousand, five hundred seventy-four".