74274570 has 80 divisors (see below), whose sum is σ = 204069888. Its totient is φ = 19375200.

The previous prime is 74274559. The next prime is 74274583. The reversal of 74274570 is 7547247.

It is a happy 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 39 ways as a sum of consecutive naturals, for example, 37095 + ... + 39045.

Almost surely, 2^74274570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74274570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102034944).

74274570 is an abundant number, since it is smaller than the sum of its proper divisors (129795318).

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

74274570 is a wasteful number, since it uses less digits than its factorization.

74274570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 74274570 is about 8618.2695478849. The cubic root of 74274570 is about 420.3522554999.

The spelling of 74274570 in words is "seventy-four million, two hundred seventy-four thousand, five hundred seventy".