7313890 has 8 divisors (see below), whose sum is σ = 13165020. Its totient is φ = 2925552.

The previous prime is 7313881. The next prime is 7313903. The reversal of 7313890 is 983137.

It can be written as a sum of positive squares in 2 ways, for example, as 6205081 + 1108809 = 2491^2 + 1053^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365685 + ... + 365704.

Almost surely, 2^7313890 is an apocalyptic number.

7313890 is a deficient number, since it is larger than the sum of its proper divisors (5851130).

7313890 is a wasteful number, since it uses less digits than its factorization.

7313890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731396.

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

The square root of 7313890 is about 2704.4204554766. The cubic root of 7313890 is about 194.1106995659.

The spelling of 7313890 in words is "seven million, three hundred thirteen thousand, eight hundred ninety".