2172540574 has 16 divisors (see below), whose sum is σ = 3383395200. Its totient is φ = 1045147680.

The previous prime is 2172540569. The next prime is 2172540583. The reversal of 2172540574 is 4750452712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90549 + ... + 112000.

It is an arithmetic number, because the mean of its divisors is an integer number (211462200).

Almost surely, 2^2172540574 is an apocalyptic number.

2172540574 is a deficient number, since it is larger than the sum of its proper divisors (1210854626).

2172540574 is a wasteful number, since it uses less digits than its factorization.

2172540574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202755.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 2172540574 is about 46610.5199928085. The cubic root of 2172540574 is about 1295.1576407530.

The spelling of 2172540574 in words is "two billion, one hundred seventy-two million, five hundred forty thousand, five hundred seventy-four".