74163997 has 8 divisors (see below), whose sum is σ = 77317632. Its totient is φ = 71058000.

The previous prime is 74163989. The next prime is 74164007. The reversal of 74163997 is 79936147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74163997 - 2³ = 74163989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74163977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8713 + ... + 14974.

It is an arithmetic number, because the mean of its divisors is an integer number (9664704).

Almost surely, 2^74163997 is an apocalyptic number.

It is an amenable number.

74163997 is a deficient number, since it is larger than the sum of its proper divisors (3153635).

74163997 is a wasteful number, since it uses less digits than its factorization.

74163997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23819.

The product of its digits is 285768, while the sum is 46.

The square root of 74163997 is about 8611.8521236724. The cubic root of 74163997 is about 420.1435582572.

The spelling of 74163997 in words is "seventy-four million, one hundred sixty-three thousand, nine hundred ninety-seven".