7145716 has 24 divisors (see below), whose sum is σ = 13041000. Its totient is φ = 3421824.

The previous prime is 7145707. The next prime is 7145731. The reversal of 7145716 is 6175417.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 6051600 = 1046^2 + 2460^2 .

It is a super-2 number, since 2×7145716² = 102122514305312, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26430 + ... + 26698.

It is an arithmetic number, because the mean of its divisors is an integer number (543375).

Almost surely, 2^7145716 is an apocalyptic number.

It is an amenable number.

7145716 is a deficient number, since it is larger than the sum of its proper divisors (5895284).

7145716 is a wasteful number, since it uses less digits than its factorization.

7145716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 529 counting only the distinct ones).

The product of its digits is 5880, while the sum is 31.

The square root of 7145716 is about 2673.1472088159. The cubic root of 7145716 is about 192.6113686257.

Subtracting from 7145716 its reverse (6175417), we obtain a cube (970299 = 99³).

The spelling of 7145716 in words is "seven million, one hundred forty-five thousand, seven hundred sixteen".