7976749 has 4 divisors (see below), whose sum is σ = 8701920. Its totient is φ = 7251580.

The previous prime is 7976707. The next prime is 7976753. The reversal of 7976749 is 9476797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7976749 - 2²¹ = 5879597 is a prime.

It is a d-powerful number, because it can be written as 7² + 9³ + 7² + 6⁸ + 7⁸ + 4³ + 9⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976249) 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, 362569 + ... + 362590.

It is an arithmetic number, because the mean of its divisors is an integer number (2175480).

Almost surely, 2^7976749 is an apocalyptic number.

It is an amenable number.

7976749 is a deficient number, since it is larger than the sum of its proper divisors (725171).

7976749 is a wasteful number, since it uses less digits than its factorization.

7976749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725170.

The product of its digits is 666792, while the sum is 49.

The square root of 7976749 is about 2824.3138989850. The cubic root of 7976749 is about 199.8060536515.

The spelling of 7976749 in words is "seven million, nine hundred seventy-six thousand, seven hundred forty-nine".