6739224642 has 12 divisors (see below), whose sum is σ = 14601653430. Its totient is φ = 2246408208.

The previous prime is 6739224637. The next prime is 6739224649. The reversal of 6739224642 is 2464229376.

It can be written as a sum of positive squares in only one way, i.e., 5232930921 + 1506293721 = 72339^2 + 38811^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6739224649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187200667 + ... + 187200702.

Almost surely, 2^6739224642 is an apocalyptic number.

6739224642 is an abundant number, since it is smaller than the sum of its proper divisors (7862428788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6739224642 is a wasteful number, since it uses less digits than its factorization.

6739224642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374401377 (or 374401374 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 6739224642 is about 82092.7806935543. The cubic root of 6739224642 is about 1888.8754021872.

The spelling of 6739224642 in words is "six billion, seven hundred thirty-nine million, two hundred twenty-four thousand, six hundred forty-two".