27172260 has 72 divisors (see below), whose sum is σ = 85490496. Its totient is φ = 7244640.

The previous prime is 27172241. The next prime is 27172297. The reversal of 27172260 is 6227172.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2065 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (1187368).

Almost surely, 2^27172260 is an apocalyptic number.

27172260 is a gapful number since it is divisible by the number (20) 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 27172260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42745248).

27172260 is an abundant number, since it is smaller than the sum of its proper divisors (58318236).

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

27172260 is a wasteful number, since it uses less digits than its factorization.

27172260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615 (or 5601 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 27172260 is about 5212.7017946551. The cubic root of 27172260 is about 300.6366479755.

The spelling of 27172260 in words is "twenty-seven million, one hundred seventy-two thousand, two hundred sixty".