3132750720 has 128 divisors (see below), whose sum is σ = 10893502080. Its totient is φ = 759449600.

The previous prime is 3132750713. The next prime is 3132750721. The reversal of 3132750720 is 270572313.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132750721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53046 + ... + 95285.

It is an arithmetic number, because the mean of its divisors is an integer number (85105485).

Almost surely, 2^3132750720 is an apocalyptic number.

3132750720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3132750720 is an abundant number, since it is smaller than the sum of its proper divisors (7760751360).

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

3132750720 is a wasteful number, since it uses less digits than its factorization.

3132750720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148364 (or 148352 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 3132750720 is about 55970.9810526848. The cubic root of 3132750720 is about 1463.2165774718.

The spelling of 3132750720 in words is "three billion, one hundred thirty-two million, seven hundred fifty thousand, seven hundred twenty".