91058074 has 8 divisors (see below), whose sum is σ = 136993428. Its totient is φ = 45393600.

The previous prime is 91058039. The next prime is 91058113. The reversal of 91058074 is 47085019.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73359225 + 17698849 = 8565^2 + 4207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66877 + ... + 68224.

Almost surely, 2^91058074 is an apocalyptic number.

91058074 is a deficient number, since it is larger than the sum of its proper divisors (45935354).

91058074 is a wasteful number, since it uses less digits than its factorization.

91058074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135440.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 91058074 is about 9542.4354333682. The cubic root of 91058074 is about 449.8898067636.

The spelling of 91058074 in words is "ninety-one million, fifty-eight thousand, seventy-four".