3972748780 has 96 divisors (see below), whose sum is σ = 11201541120. Its totient is φ = 1143002880.

The previous prime is 3972748771. The next prime is 3972748789. The reversal of 3972748780 is 878472793.

It is an interprime number because it is at equal distance from previous prime (3972748771) and next prime (3972748789).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (3972748789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79200 + ... + 119239.

It is an arithmetic number, because the mean of its divisors is an integer number (116682720).

Almost surely, 2^3972748780 is an apocalyptic number.

It is an amenable number.

3972748780 is an abundant number, since it is smaller than the sum of its proper divisors (7228792340).

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

3972748780 is a wasteful number, since it uses less digits than its factorization.

3972748780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198479 (or 198477 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 55.

The square root of 3972748780 is about 63029.7452001831. The cubic root of 3972748780 is about 1583.7879497753.

The spelling of 3972748780 in words is "three billion, nine hundred seventy-two million, seven hundred forty-eight thousand, seven hundred eighty".