7243684947 has 6 divisors (see below), whose sum is σ = 10463100492. Its totient is φ = 4829123292.

The previous prime is 7243684937. The next prime is 7243684951. The reversal of 7243684947 is 7494863427.

It is not a de Polignac number, because 7243684947 - 2¹¹ = 7243682899 is a prime.

It is a super-2 number, since 2×7243684947² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7243684893 and 7243684902.

It is not an unprimeable number, because it can be changed into a prime (7243684907) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 402426933 + ... + 402426950.

It is an arithmetic number, because the mean of its divisors is an integer number (1743850082).

Almost surely, 2^7243684947 is an apocalyptic number.

7243684947 is a deficient number, since it is larger than the sum of its proper divisors (3219415545).

7243684947 is a wasteful number, since it uses less digits than its factorization.

7243684947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804853889 (or 804853886 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 7243684947 is about 85109.8404827550. The cubic root of 7243684947 is about 1934.8762078528.

The spelling of 7243684947 in words is "seven billion, two hundred forty-three million, six hundred eighty-four thousand, nine hundred forty-seven".