91365734 has 4 divisors (see below), whose sum is σ = 137048604. Its totient is φ = 45682866.

The previous prime is 91365727. The next prime is 91365749. The reversal of 91365734 is 43756319.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43756319 = 199 ⋅219881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22841432 + ... + 22841435.

It is an arithmetic number, because the mean of its divisors is an integer number (34262151).

Almost surely, 2^91365734 is an apocalyptic number.

91365734 is a deficient number, since it is larger than the sum of its proper divisors (45682870).

91365734 is a wasteful number, since it uses less digits than its factorization.

91365734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45682869.

The product of its digits is 68040, while the sum is 38.

The square root of 91365734 is about 9558.5424621121. The cubic root of 91365734 is about 450.3959215148.

The spelling of 91365734 in words is "ninety-one million, three hundred sixty-five thousand, seven hundred thirty-four".