74226172 has 12 divisors (see below), whose sum is σ = 130888296. Its totient is φ = 36829520.

The previous prime is 74226079. The next prime is 74226209. The reversal of 74226172 is 27162247.

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, 70303 + ... + 71350.

It is an arithmetic number, because the mean of its divisors is an integer number (10907358).

Almost surely, 2^74226172 is an apocalyptic number.

It is an amenable number.

74226172 is a deficient number, since it is larger than the sum of its proper divisors (56662124).

74226172 is a wasteful number, since it uses less digits than its factorization.

74226172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141788 (or 141786 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 74226172 is about 8615.4612180660. The cubic root of 74226172 is about 420.2609338497.

The spelling of 74226172 in words is "seventy-four million, two hundred twenty-six thousand, one hundred seventy-two".