2973747393 has 12 divisors (see below), whose sum is σ = 4305621268. Its totient is φ = 1977786720.

The previous prime is 2973747379. The next prime is 2973747397. The reversal of 2973747393 is 3937473792.

It is a happy number.

2973747393 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 2 ways, for example, as 279825984 + 2693921409 = 16728^2 + 51903^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2973747393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2973747397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388630 + ... + 396207.

Almost surely, 2^2973747393 is an apocalyptic number.

It is an amenable number.

2973747393 is a deficient number, since it is larger than the sum of its proper divisors (1331873875).

2973747393 is a wasteful number, since it uses less digits than its factorization.

2973747393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785264 (or 785261 counting only the distinct ones).

The product of its digits is 6001128, while the sum is 54.

The square root of 2973747393 is about 54532.0767347073. The cubic root of 2973747393 is about 1438.0302597053.

The spelling of 2973747393 in words is "two billion, nine hundred seventy-three million, seven hundred forty-seven thousand, three hundred ninety-three".