91079130 has 64 divisors (see below), whose sum is σ = 224373888. Its totient is φ = 23654400.

The previous prime is 91079113. The next prime is 91079143. The reversal of 91079130 is 3197019.

91079130 = 4266² + 4267² + ... + 4270².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226930 + ... + 227330.

It is an arithmetic number, because the mean of its divisors is an integer number (3505842).

Almost surely, 2^91079130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91079130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112186944).

91079130 is an abundant number, since it is smaller than the sum of its proper divisors (133294758).

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

91079130 is a wasteful number, since it uses less digits than its factorization.

91079130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 91079130 is about 9543.5386518838. The cubic root of 91079130 is about 449.9244811543.

The spelling of 91079130 in words is "ninety-one million, seventy-nine thousand, one hundred thirty".