74158051 has 4 divisors (see below), whose sum is σ = 80899704. Its totient is φ = 67416400.

The previous prime is 74158039. The next prime is 74158067. The reversal of 74158051 is 15085147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74158051 - 2¹⁵ = 74125283 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74158001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370810 + ... + 3370831.

It is an arithmetic number, because the mean of its divisors is an integer number (20224926).

Almost surely, 2^74158051 is an apocalyptic number.

74158051 is a deficient number, since it is larger than the sum of its proper divisors (6741653).

74158051 is a wasteful number, since it uses less digits than its factorization.

74158051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741652.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 74158051 is about 8611.5068948471. The cubic root of 74158051 is about 420.1323298065.

The spelling of 74158051 in words is "seventy-four million, one hundred fifty-eight thousand, fifty-one".