3240737172 has 18 divisors (see below), whose sum is σ = 8191863498. Its totient is φ = 1080245712.

The previous prime is 3240737161. The next prime is 3240737197. The reversal of 3240737172 is 2717370423.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3114309636 + 126427536 = 55806^2 + 11244^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 90020477 = 3240737172 / (3 + 2 + 4 + 0 + 7 + 3 + 7 + 1 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45010203 + ... + 45010274.

Almost surely, 2^3240737172 is an apocalyptic number.

It is an amenable number.

3240737172 is an abundant number, since it is smaller than the sum of its proper divisors (4951126326).

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

3240737172 is a wasteful number, since it uses less digits than its factorization.

3240737172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90020487 (or 90020482 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 3240737172 is about 56927.4729107133. The cubic root of 3240737172 is about 1479.8394596986.

The spelling of 3240737172 in words is "three billion, two hundred forty million, seven hundred thirty-seven thousand, one hundred seventy-two".