74220674 has 24 divisors (see below), whose sum is σ = 129577644. Its totient is φ = 31750400.

The previous prime is 74220673. The next prime is 74220677. The reversal of 74220674 is 47602247.

It can be written as a sum of positive squares in 2 ways, for example, as 72675625 + 1545049 = 8525^2 + 1243^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74220674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74220673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4907 + ... + 13134.

Almost surely, 2^74220674 is an apocalyptic number.

74220674 is a deficient number, since it is larger than the sum of its proper divisors (55356970).

74220674 is a wasteful number, since it uses less digits than its factorization.

74220674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082 (or 18071 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 74220674 is about 8615.1421346371. The cubic root of 74220674 is about 420.2505572238.

The spelling of 74220674 in words is "seventy-four million, two hundred twenty thousand, six hundred seventy-four".