7317961 has 4 divisors (see below), whose sum is σ = 8363392. Its totient is φ = 6272532.

The previous prime is 7317943. The next prime is 7317977. The reversal of 7317961 is 1697137.

It is a happy number.

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 not a de Polignac number, because 7317961 - 2⁵ = 7317929 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (7317911) 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, 522705 + ... + 522718.

It is an arithmetic number, because the mean of its divisors is an integer number (2090848).

Almost surely, 2^7317961 is an apocalyptic number.

It is an amenable number.

7317961 is a deficient number, since it is larger than the sum of its proper divisors (1045431).

7317961 is a wasteful number, since it uses less digits than its factorization.

7317961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045430.

The product of its digits is 7938, while the sum is 34.

The square root of 7317961 is about 2705.1730074064. The cubic root of 7317961 is about 194.1467076768.

The spelling of 7317961 in words is "seven million, three hundred seventeen thousand, nine hundred sixty-one".