6972432782 has 16 divisors (see below), whose sum is σ = 11965770240. Its totient is φ = 2984928408.

The previous prime is 6972432767. The next prime is 6972432811. The reversal of 6972432782 is 2872342796.

It is a super-2 number, since 2×6972432782² = 97229637799016519048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6972432782.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 258098 + ... + 283829.

It is an arithmetic number, because the mean of its divisors is an integer number (747860640).

Almost surely, 2^6972432782 is an apocalyptic number.

6972432782 is a deficient number, since it is larger than the sum of its proper divisors (4993337458).

6972432782 is a wasteful number, since it uses less digits than its factorization.

6972432782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542855.

The product of its digits is 2032128, while the sum is 50.

The square root of 6972432782 is about 83501.0944958208. The cubic root of 6972432782 is about 1910.4167271408.

The spelling of 6972432782 in words is "six billion, nine hundred seventy-two million, four hundred thirty-two thousand, seven hundred eighty-two".