74913673 has 8 divisors (see below), whose sum is σ = 76288520. Its totient is φ = 73543680.

The previous prime is 74913661. The next prime is 74913677. The reversal of 74913673 is 37631947.

It can be written as a sum of positive squares in 4 ways, for example, as 1159929 + 73753744 = 1077^2 + 8588^2 .

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 74913673 - 2¹⁷ = 74782601 is a prime.

It is a super-2 number, since 2×74913673² = 11224116804701858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74913677) 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, 46111 + ... + 47707.

It is an arithmetic number, because the mean of its divisors is an integer number (9536065).

Almost surely, 2^74913673 is an apocalyptic number.

It is an amenable number.

74913673 is a deficient number, since it is larger than the sum of its proper divisors (1374847).

74913673 is a wasteful number, since it uses less digits than its factorization.

74913673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427.

The product of its digits is 95256, while the sum is 40.

The square root of 74913673 is about 8655.2685111439. The cubic root of 74913673 is about 421.5544682834.

The spelling of 74913673 in words is "seventy-four million, nine hundred thirteen thousand, six hundred seventy-three".