74679157 has 8 divisors (see below), whose sum is σ = 85400000. Its totient is φ = 63971424.

The previous prime is 74679151. The next prime is 74679161. The reversal of 74679157 is 75197647.

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 74679157 - 2⁷ = 74679029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74679151) 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, 19594 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (10675000).

Almost surely, 2^74679157 is an apocalyptic number.

It is an amenable number.

74679157 is a deficient number, since it is larger than the sum of its proper divisors (10720843).

74679157 is a wasteful number, since it uses less digits than its factorization.

74679157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555.

The product of its digits is 370440, while the sum is 46.

The square root of 74679157 is about 8641.7103052579. The cubic root of 74679157 is about 421.1141187241.

The spelling of 74679157 in words is "seventy-four million, six hundred seventy-nine thousand, one hundred fifty-seven".