74157089 has 8 divisors (see below), whose sum is σ = 77064960. Its totient is φ = 71272656.

The previous prime is 74157073. The next prime is 74157091. The reversal of 74157089 is 98075147.

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 74157089 - 2⁴ = 74157073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74157059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 12200.

It is an arithmetic number, because the mean of its divisors is an integer number (9633120).

Almost surely, 2^74157089 is an apocalyptic number.

It is an amenable number.

74157089 is a deficient number, since it is larger than the sum of its proper divisors (2907871).

74157089 is a wasteful number, since it uses less digits than its factorization.

74157089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 74157089 is about 8611.4510391687. The cubic root of 74157089 is about 420.1305131054.

The spelling of 74157089 in words is "seventy-four million, one hundred fifty-seven thousand, eighty-nine".