7312514 has 32 divisors (see below), whose sum is σ = 12543552. Its totient is φ = 3194400.

The previous prime is 7312493. The next prime is 7312517. The reversal of 7312514 is 4152137.

It is a super-2 number, since 2×7312514² = 106945722000392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7312514.

It is not an unprimeable number, because it can be changed into a prime (7312517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109109 + ... + 109175.

It is an arithmetic number, because the mean of its divisors is an integer number (391986).

Almost surely, 2^7312514 is an apocalyptic number.

7312514 is a deficient number, since it is larger than the sum of its proper divisors (5231038).

7312514 is a wasteful number, since it uses less digits than its factorization.

7312514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 121 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 7312514 is about 2704.1660451977. The cubic root of 7312514 is about 194.0985257854.

The spelling of 7312514 in words is "seven million, three hundred twelve thousand, five hundred fourteen".