7312104 has 48 divisors (see below), whose sum is σ = 20294820. Its totient is φ = 2376960.

The previous prime is 7312103. The next prime is 7312127. The reversal of 7312104 is 4012137.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 562500 = 2598^2 + 750^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1714 + ... + 4190.

Almost surely, 2^7312104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7312104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10147410).

7312104 is an abundant number, since it is smaller than the sum of its proper divisors (12982716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7312104 is a wasteful number, since it uses less digits than its factorization.

7312104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7312104 is about 2704.0902351808. The cubic root of 7312104 is about 194.0948981282.

The spelling of 7312104 in words is "seven million, three hundred twelve thousand, one hundred four".