91429470 has 48 divisors (see below), whose sum is σ = 259330032. Its totient is φ = 22164480.

The previous prime is 91429427. The next prime is 91429483. The reversal of 91429470 is 7492419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45187 + ... + 47166.

It is an arithmetic number, because the mean of its divisors is an integer number (5402709).

Almost surely, 2^91429470 is an apocalyptic number.

91429470 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

91429470 is an abundant number, since it is smaller than the sum of its proper divisors (167900562).

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

91429470 is a wasteful number, since it uses less digits than its factorization.

91429470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92377 (or 92374 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 91429470 is about 9561.8758619844. The cubic root of 91429470 is about 450.5006280266.

The spelling of 91429470 in words is "ninety-one million, four hundred twenty-nine thousand, four hundred seventy".