91794225 has 48 divisors (see below), whose sum is σ = 164166080. Its totient is φ = 45100800.

The previous prime is 91794223. The next prime is 91794229. The reversal of 91794225 is 52249719.

It is not a de Polignac number, because 91794225 - 2¹ = 91794223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91794223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51855 + ... + 53595.

Almost surely, 2^91794225 is an apocalyptic number.

91794225 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

91794225 is a deficient number, since it is larger than the sum of its proper divisors (72371855).

91794225 is a wasteful number, since it uses less digits than its factorization.

91794225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 91794225 is about 9580.9302784229. The cubic root of 91794225 is about 451.0989191465.

The spelling of 91794225 in words is "ninety-one million, seven hundred ninety-four thousand, two hundred twenty-five".