27197040 has 160 divisors (see below), whose sum is σ = 94993920. Its totient is φ = 6386688.

The previous prime is 27197029. The next prime is 27197057. The reversal of 27197040 is 4079172.

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

It is a junction number, because it is equal to n+sod(n) for n = 27196989 and 27197007.

It is a congruent number.

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, 71571 + ... + 71949.

It is an arithmetic number, because the mean of its divisors is an integer number (593712).

Almost surely, 2^27197040 is an apocalyptic number.

27197040 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 27197040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47496960).

27197040 is an abundant number, since it is smaller than the sum of its proper divisors (67796880).

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

27197040 is a wasteful number, since it uses less digits than its factorization.

27197040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 27197040 is about 5215.0781393954. The cubic root of 27197040 is about 300.7280096884.

The spelling of 27197040 in words is "twenty-seven million, one hundred ninety-seven thousand, forty".