74973857 has 8 divisors (see below), whose sum is σ = 85747200. Its totient is φ = 64216224.

The previous prime is 74973781. The next prime is 74973863. The reversal of 74973857 is 75837947.

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 74973857 - 2¹² = 74969761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74973887) 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, 9269 + ... + 15357.

It is an arithmetic number, because the mean of its divisors is an integer number (10718400).

Almost surely, 2^74973857 is an apocalyptic number.

It is an amenable number.

74973857 is a deficient number, since it is larger than the sum of its proper divisors (10773343).

74973857 is a wasteful number, since it uses less digits than its factorization.

74973857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855.

The product of its digits is 1481760, while the sum is 50.

The square root of 74973857 is about 8658.7445394815. The cubic root of 74973857 is about 421.6673272672.

The spelling of 74973857 in words is "seventy-four million, nine hundred seventy-three thousand, eight hundred fifty-seven".