3712293945 has 24 divisors (see below), whose sum is σ = 6445839816. Its totient is φ = 1976444928.

The previous prime is 3712293943. The next prime is 3712293997. The reversal of 3712293945 is 5493922173.

3712293945 is a `hidden beast` number, since 37 + 1 + 229 + 394 + 5 = 666.

3712293945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2280731049 + 1431562896 = 47757^2 + 37836^2 .

It is not a de Polignac number, because 3712293945 - 2¹ = 3712293943 is a prime.

It is a super-2 number, since 2×3712293945² = 27562252668167326050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3712293945.

It is not an unprimeable number, because it can be changed into a prime (3712293943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45522 + ... + 97451.

It is an arithmetic number, because the mean of its divisors is an integer number (268576659).

Almost surely, 2^3712293945 is an apocalyptic number.

It is an amenable number.

3712293945 is a deficient number, since it is larger than the sum of its proper divisors (2733545871).

3712293945 is a wasteful number, since it uses less digits than its factorization.

3712293945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143561 (or 143558 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 3712293945 is about 60928.5971034948. The cubic root of 3712293945 is about 1548.3915253173.

The spelling of 3712293945 in words is "three billion, seven hundred twelve million, two hundred ninety-three thousand, nine hundred forty-five".