7951641 has 8 divisors (see below), whose sum is σ = 10617024. Its totient is φ = 5293680.

The previous prime is 7951639. The next prime is 7951667. The reversal of 7951641 is 1461597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7951641 - 2¹ = 7951639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7951621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (1327128).

Almost surely, 2^7951641 is an apocalyptic number.

It is an amenable number.

7951641 is a deficient number, since it is larger than the sum of its proper divisors (2665383).

7951641 is a wasteful number, since it uses less digits than its factorization.

7951641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its digits is 7560, while the sum is 33.

The square root of 7951641 is about 2819.8654223207. The cubic root of 7951641 is about 199.5961935839.

The spelling of 7951641 in words is "seven million, nine hundred fifty-one thousand, six hundred forty-one".