7131946 has 8 divisors (see below), whose sum is σ = 10776420. Its totient is φ = 3539808.

The previous prime is 7131923. The next prime is 7131947. The reversal of 7131946 is 6491317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 429025 = 2589^2 + 655^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7131947) 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, 12741 + ... + 13288.

Almost surely, 2^7131946 is an apocalyptic number.

7131946 is a deficient number, since it is larger than the sum of its proper divisors (3644474).

7131946 is a wasteful number, since it uses less digits than its factorization.

7131946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26168.

The product of its digits is 4536, while the sum is 31.

The square root of 7131946 is about 2670.5703510674. The cubic root of 7131946 is about 192.4875665214.

The spelling of 7131946 in words is "seven million, one hundred thirty-one thousand, nine hundred forty-six".