91359754 has 4 divisors (see below), whose sum is σ = 137039634. Its totient is φ = 45679876.

The previous prime is 91359727. The next prime is 91359799. The reversal of 91359754 is 45795319.

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., 64080025 + 27279729 = 8005^2 + 5223^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 91359754.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22839937 + ... + 22839940.

Almost surely, 2^91359754 is an apocalyptic number.

91359754 is a deficient number, since it is larger than the sum of its proper divisors (45679880).

91359754 is a wasteful number, since it uses less digits than its factorization.

91359754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45679879.

The product of its digits is 170100, while the sum is 43.

The square root of 91359754 is about 9558.2296477957. The cubic root of 91359754 is about 450.3860949775.

The spelling of 91359754 in words is "ninety-one million, three hundred fifty-nine thousand, seven hundred fifty-four".