74222973 has 30 divisors (see below), whose sum is σ = 121888382. Its totient is φ = 44977680.

The previous prime is 74222971. The next prime is 74222989. The reversal of 74222973 is 37922247.

It can be written as a sum of positive squares in only one way, i.e., 74183769 + 39204 = 8613^2 + 198^2 .

It is not a de Polignac number, because 74222973 - 2¹ = 74222971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74222971) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6015 + ... + 13587.

Almost surely, 2^74222973 is an apocalyptic number.

It is an amenable number.

74222973 is a deficient number, since it is larger than the sum of its proper divisors (47665409).

74222973 is a wasteful number, since it uses less digits than its factorization.

74222973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607 (or 7587 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 74222973 is about 8615.2755614664. The cubic root of 74222973 is about 420.2548962936.

The spelling of 74222973 in words is "seventy-four million, two hundred twenty-two thousand, nine hundred seventy-three".