7971049 has 4 divisors (see below), whose sum is σ = 8015760. Its totient is φ = 7926340.

The previous prime is 7971031. The next prime is 7971091. The reversal of 7971049 is 9401797.

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 7971049 - 2⁵ = 7971017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7970999 and 7971017.

It is not an unprimeable number, because it can be changed into a prime (7971149) 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, 22087 + ... + 22444.

It is an arithmetic number, because the mean of its divisors is an integer number (2003940).

Almost surely, 2^7971049 is an apocalyptic number.

It is an amenable number.

7971049 is a deficient number, since it is larger than the sum of its proper divisors (44711).

7971049 is a wasteful number, since it uses less digits than its factorization.

7971049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44710.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 7971049 is about 2823.3046240177. The cubic root of 7971049 is about 199.7584500522.

The spelling of 7971049 in words is "seven million, nine hundred seventy-one thousand, forty-nine".