91347074 has 32 divisors (see below), whose sum is σ = 172099200. Its totient is φ = 36133776.

The previous prime is 91347031. The next prime is 91347089. The reversal of 91347074 is 47074319.

It is a super-2 number, since 2×91347074² = 16688575856722952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3797 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (5378100).

Almost surely, 2^91347074 is an apocalyptic number.

91347074 is a deficient number, since it is larger than the sum of its proper divisors (80752126).

91347074 is a wasteful number, since it uses less digits than its factorization.

91347074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279 (or 10265 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 91347074 is about 9557.5663220299. The cubic root of 91347074 is about 450.3652573561.

The spelling of 91347074 in words is "ninety-one million, three hundred forty-seven thousand, seventy-four".