91474468 has 24 divisors (see below), whose sum is σ = 165989880. Its totient is φ = 44056320.

The previous prime is 91474463. The next prime is 91474469. The reversal of 91474468 is 86447419.

It can be written as a sum of positive squares in 4 ways, for example, as 26543104 + 64931364 = 5152^2 + 8058^2 .

It is not an unprimeable number, because it can be changed into a prime (91474463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76080 + ... + 77272.

It is an arithmetic number, because the mean of its divisors is an integer number (6916245).

Almost surely, 2^91474468 is an apocalyptic number.

It is an amenable number.

91474468 is a deficient number, since it is larger than the sum of its proper divisors (74515412).

91474468 is a wasteful number, since it uses less digits than its factorization.

91474468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1885 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 91474468 is about 9564.2285627227. The cubic root of 91474468 is about 450.5745221534.

The spelling of 91474468 in words is "ninety-one million, four hundred seventy-four thousand, four hundred sixty-eight".