91347542 has 48 divisors (see below), whose sum is σ = 164436480. Its totient is φ = 37720800.

The previous prime is 91347541. The next prime is 91347551. The reversal of 91347542 is 24574319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91347541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293567 + ... + 293877.

It is an arithmetic number, because the mean of its divisors is an integer number (3425760).

Almost surely, 2^91347542 is an apocalyptic number.

91347542 is a deficient number, since it is larger than the sum of its proper divisors (73088938).

91347542 is a wasteful number, since it uses less digits than its factorization.

91347542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 416 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 91347542 is about 9557.5908052186. The cubic root of 91347542 is about 450.3660264760.

The spelling of 91347542 in words is "ninety-one million, three hundred forty-seven thousand, five hundred forty-two".