74870612 has 12 divisors (see below), whose sum is σ = 136720416. Its totient is φ = 35807640.

The previous prime is 74870603. The next prime is 74870617. The reversal of 74870612 is 21607847.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74870617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406814 + ... + 406997.

It is an arithmetic number, because the mean of its divisors is an integer number (11393368).

Almost surely, 2^74870612 is an apocalyptic number.

It is an amenable number.

74870612 is a deficient number, since it is larger than the sum of its proper divisors (61849804).

74870612 is a wasteful number, since it uses less digits than its factorization.

74870612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813838 (or 813836 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 74870612 is about 8652.7805935433. The cubic root of 74870612 is about 421.4736818020.

The spelling of 74870612 in words is "seventy-four million, eight hundred seventy thousand, six hundred twelve".