91552734 has 128 divisors (see below), whose sum is σ = 258908160. Its totient is φ = 23328000.

The previous prime is 91552733. The next prime is 91552751. The reversal of 91552734 is 43725519.

91552734 is an undulating number in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91552733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152034 + ... + 152634.

It is an arithmetic number, because the mean of its divisors is an integer number (2022720).

Almost surely, 2^91552734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91552734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129454080).

91552734 is an abundant number, since it is smaller than the sum of its proper divisors (167355426).

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

91552734 is a wasteful number, since it uses less digits than its factorization.

91552734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 91552734 is about 9568.3192881509. The cubic root of 91552734 is about 450.7029901057.

The spelling of 91552734 in words is "ninety-one million, five hundred fifty-two thousand, seven hundred thirty-four".