6742140802 has 4 divisors (see below), whose sum is σ = 10113211206. Its totient is φ = 3371070400.

The previous prime is 6742140781. The next prime is 6742140833. The reversal of 6742140802 is 2080412476.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 5350776201 + 1391364601 = 73149^2 + 37301^2 .

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, 1685535199 + ... + 1685535202.

Almost surely, 2^6742140802 is an apocalyptic number.

6742140802 is a deficient number, since it is larger than the sum of its proper divisors (3371070404).

6742140802 is a wasteful number, since it uses less digits than its factorization.

6742140802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371070403.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 6742140802 is about 82110.5401394973. The cubic root of 6742140802 is about 1889.1478108036.

The spelling of 6742140802 in words is "six billion, seven hundred forty-two million, one hundred forty thousand, eight hundred two".