7956749 has 4 divisors (see below), whose sum is σ = 8010300. Its totient is φ = 7903200.

The previous prime is 7956743. The next prime is 7956761. The reversal of 7956749 is 9476597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9476597 = 13 ⋅728969.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 6786025 = 1082^2 + 2605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7956749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7956743) 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, 26552 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (2002575).

Almost surely, 2^7956749 is an apocalyptic number.

It is an amenable number.

7956749 is a deficient number, since it is larger than the sum of its proper divisors (53551).

7956749 is a wasteful number, since it uses less digits than its factorization.

7956749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53550.

The product of its digits is 476280, while the sum is 47.

The square root of 7956749 is about 2820.7709938951. The cubic root of 7956749 is about 199.6389235111.

The spelling of 7956749 in words is "seven million, nine hundred fifty-six thousand, seven hundred forty-nine".