3250720772 has 12 divisors (see below), whose sum is σ = 6126358476. Its totient is φ = 1500332640.

The previous prime is 3250720771. The next prime is 3250720787. The reversal of 3250720772 is 2770270523.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2214267136 + 1036453636 = 47056^2 + 32194^2 .

It is not an unprimeable number, because it can be changed into a prime (3250720771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31256879 + ... + 31256982.

It is an arithmetic number, because the mean of its divisors is an integer number (510529873).

Almost surely, 2^3250720772 is an apocalyptic number.

It is an amenable number.

3250720772 is a deficient number, since it is larger than the sum of its proper divisors (2875637704).

3250720772 is a wasteful number, since it uses less digits than its factorization.

3250720772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62513878 (or 62513876 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 3250720772 is about 57015.0924931285. The cubic root of 3250720772 is about 1481.3575278644.

The spelling of 3250720772 in words is "three billion, two hundred fifty million, seven hundred twenty thousand, seven hundred seventy-two".