91214754 has 8 divisors (see below), whose sum is σ = 182429520. Its totient is φ = 30404916.

The previous prime is 91214723. The next prime is 91214777. The reversal of 91214754 is 45741219.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

91214754 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7601224 + ... + 7601235.

It is an arithmetic number, because the mean of its divisors is an integer number (22803690).

Almost surely, 2^91214754 is an apocalyptic number.

91214754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91214754 is a wasteful number, since it uses less digits than its factorization.

91214754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202464.

The product of its digits is 10080, while the sum is 33.

The square root of 91214754 is about 9550.6415491317. The cubic root of 91214754 is about 450.1476947296.

The spelling of 91214754 in words is "ninety-one million, two hundred fourteen thousand, seven hundred fifty-four".