7641713 has 4 divisors (see below), whose sum is σ = 7746468. Its totient is φ = 7536960.

The previous prime is 7641709. The next prime is 7641737. The reversal of 7641713 is 3171467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3265249 + 4376464 = 1807^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 7641713 - 2² = 7641709 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7641793) 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, 52268 + ... + 52413.

It is an arithmetic number, because the mean of its divisors is an integer number (1936617).

Almost surely, 2^7641713 is an apocalyptic number.

7641713 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7641713 is a deficient number, since it is larger than the sum of its proper divisors (104755).

7641713 is a wasteful number, since it uses less digits than its factorization.

7641713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104754.

The product of its digits is 3528, while the sum is 29.

The square root of 7641713 is about 2764.3648456743. The cubic root of 7641713 is about 196.9685589752.

The spelling of 7641713 in words is "seven million, six hundred forty-one thousand, seven hundred thirteen".