7040039684 has 6 divisors (see below), whose sum is σ = 12320069454. Its totient is φ = 3520019840.

The previous prime is 7040039647. The next prime is 7040039701. The reversal of 7040039684 is 4869300407.

It can be written as a sum of positive squares in only one way, i.e., 4163862784 + 2876176900 = 64528^2 + 53630^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880004957 + ... + 880004964.

It is an arithmetic number, because the mean of its divisors is an integer number (2053344909).

Almost surely, 2^7040039684 is an apocalyptic number.

It is an amenable number.

7040039684 is a deficient number, since it is larger than the sum of its proper divisors (5280029770).

7040039684 is a wasteful number, since it uses less digits than its factorization.

7040039684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760009925 (or 1760009923 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 7040039684 is about 83904.9443358376. The cubic root of 7040039684 is about 1916.5715440060.

The spelling of 7040039684 in words is "seven billion, forty million, thirty-nine thousand, six hundred eighty-four".