7836741138724 has 9 divisors (see below), whose sum is σ = 13714306790737. Its totient is φ = 3918367769944.

The previous prime is 7836741138713. The next prime is 7836741138799. The reversal of 7836741138724 is 4278311476387.

It is a happy number.

The square root of 7836741138724 is 2799418.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6066457668324 + 1770283470400 = 2463018^2 + 1330520^2 .

It is a super-2 number, since 2×7836741138724² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4898982 + ... + 6298690.

Almost surely, 2^{7836741138724} is an apocalyptic number.

7836741138724 is the 2799418-th square number.

It is an amenable number.

7836741138724 is a deficient number, since it is larger than the sum of its proper divisors (5877565652013).

7836741138724 is an frugal number, since it uses more digits than its factorization.

7836741138724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799422 (or 1399711 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 61.

The spelling of 7836741138724 in words is "seven trillion, eight hundred thirty-six billion, seven hundred forty-one million, one hundred thirty-eight thousand, seven hundred twenty-four".