74750091 has 16 divisors (see below), whose sum is σ = 108939264. Its totient is φ = 45311904.

The previous prime is 74750057. The next prime is 74750107. The reversal of 74750091 is 19005747.

It is not a de Polignac number, because 74750091 - 2⁷ = 74749963 is a prime.

It is a super-2 number, since 2×74750091² = 11175152209016562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74750051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11691 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (6808704).

Almost surely, 2^74750091 is an apocalyptic number.

74750091 is a deficient number, since it is larger than the sum of its proper divisors (34189173).

74750091 is a wasteful number, since it uses less digits than its factorization.

74750091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28690.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 74750091 is about 8645.8134955596. The cubic root of 74750091 is about 421.2474082850.

The spelling of 74750091 in words is "seventy-four million, seven hundred fifty thousand, ninety-one".