91374746 has 4 divisors (see below), whose sum is σ = 137062122. Its totient is φ = 45687372.

The previous prime is 91374733. The next prime is 91374769. The reversal of 91374746 is 64747319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 4791721 = 9305^2 + 2189^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22843685 + ... + 22843688.

Almost surely, 2^91374746 is an apocalyptic number.

91374746 is a deficient number, since it is larger than the sum of its proper divisors (45687376).

91374746 is a wasteful number, since it uses less digits than its factorization.

91374746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45687375.

The product of its digits is 127008, while the sum is 41.

The square root of 91374746 is about 9559.0138612725. The cubic root of 91374746 is about 450.4107295266.

The spelling of 91374746 in words is "ninety-one million, three hundred seventy-four thousand, seven hundred forty-six".