91345024 has 32 divisors (see below), whose sum is σ = 183339900. Its totient is φ = 45330432.

The previous prime is 91345021. The next prime is 91345109. The reversal of 91345024 is 42054319.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 11778624 = 8920^2 + 3432^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 91344983 and 91345001.

It is not an unprimeable number, because it can be changed into a prime (91345021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14932 + ... + 20140.

Almost surely, 2^91345024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91345024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91669950).

91345024 is an abundant number, since it is smaller than the sum of its proper divisors (91994876).

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

91345024 is a wasteful number, since it uses less digits than its factorization.

91345024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360 (or 5348 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 91345024 is about 9557.4590765538. The cubic root of 91345024 is about 450.3618883166.

The spelling of 91345024 in words is "ninety-one million, three hundred forty-five thousand, twenty-four".