3752240720 has 20 divisors (see below), whose sum is σ = 8723959860. Its totient is φ = 1500896256.

The previous prime is 3752240711. The next prime is 3752240761. The reversal of 3752240720 is 270422573.

It can be written as a sum of positive squares in 2 ways, for example, as 963978304 + 2788262416 = 31048^2 + 52804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3752240720² = 28158620841652236800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 23451425 + ... + 23451584.

It is an arithmetic number, because the mean of its divisors is an integer number (436197993).

Almost surely, 2^3752240720 is an apocalyptic number.

It is an amenable number.

3752240720 is an abundant number, since it is smaller than the sum of its proper divisors (4971719140).

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

3752240720 is a wasteful number, since it uses less digits than its factorization.

3752240720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46903022 (or 46903016 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 3752240720 is about 61255.5362395923. The cubic root of 3752240720 is about 1553.9256330541.

The spelling of 3752240720 in words is "three billion, seven hundred fifty-two million, two hundred forty thousand, seven hundred twenty".