91006074 has 24 divisors (see below), whose sum is σ = 197975232. Its totient is φ = 30213000.

The previous prime is 91006073. The next prime is 91006087. The reversal of 91006074 is 47060019.

It is not an unprimeable number, because it can be changed into a prime (91006073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5554 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (8248968).

Almost surely, 2^91006074 is an apocalyptic number.

91006074 is an abundant number, since it is smaller than the sum of its proper divisors (106969158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91006074 is a wasteful number, since it uses less digits than its factorization.

91006074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402 (or 20399 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 91006074 is about 9539.7103729621. The cubic root of 91006074 is about 449.8041518127.

The spelling of 91006074 in words is "ninety-one million, six thousand, seventy-four".