74349272 has 16 divisors (see below), whose sum is σ = 144212400. Its totient is φ = 35892640.

The previous prime is 74349269. The next prime is 74349307. The reversal of 74349272 is 27294347.

It is an alternating number because its digits alternate between odd and even.

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, 160004 + ... + 160467.

It is an arithmetic number, because the mean of its divisors is an integer number (9013275).

Almost surely, 2^74349272 is an apocalyptic number.

It is an amenable number.

74349272 is a deficient number, since it is larger than the sum of its proper divisors (69863128).

74349272 is a wasteful number, since it uses less digits than its factorization.

74349272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320506 (or 320502 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 74349272 is about 8622.6023913897. The cubic root of 74349272 is about 420.4931320376.

The spelling of 74349272 in words is "seventy-four million, three hundred forty-nine thousand, two hundred seventy-two".