91477334 has 24 divisors (see below), whose sum is σ = 149332392. Its totient is φ = 42007680.

The previous prime is 91477333. The next prime is 91477367. The reversal of 91477334 is 43377419.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91477333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80897 + ... + 82019.

It is an arithmetic number, because the mean of its divisors is an integer number (6222183).

Almost surely, 2^91477334 is an apocalyptic number.

91477334 is a deficient number, since it is larger than the sum of its proper divisors (57855058).

91477334 is a wasteful number, since it uses less digits than its factorization.

91477334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1379 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 91477334 is about 9564.3783906744. The cubic root of 91477334 is about 450.5792277764.

The spelling of 91477334 in words is "ninety-one million, four hundred seventy-seven thousand, three hundred thirty-four".