109057572 has 72 divisors (see below), whose sum is σ = 298625600. Its totient is φ = 33359040.

The previous prime is 109057541. The next prime is 109057577. The reversal of 109057572 is 275750901.

109057572 is a `hidden beast` number, since 10 + 9 + 0 + 575 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109057577) 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, 92547 + ... + 93717.

Almost surely, 2^109057572 is an apocalyptic number.

109057572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109057572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149312800).

109057572 is an abundant number, since it is smaller than the sum of its proper divisors (189568028).

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

109057572 is a wasteful number, since it uses less digits than its factorization.

109057572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 109057572 is about 10443.0633436746. The cubic root of 109057572 is about 477.7697051858.

The spelling of 109057572 in words is "one hundred nine million, fifty-seven thousand, five hundred seventy-two".