6943337172 has 42 divisors (see below), whose sum is σ = 18217933818. Its totient is φ = 2314444752.

The previous prime is 6943337171. The next prime is 6943337197. The reversal of 6943337172 is 2717333496.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6790419216 + 152917956 = 82404^2 + 12366^2 .

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6943337171) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1187643 + ... + 1193474.

It is an arithmetic number, because the mean of its divisors is an integer number (433760329).

Almost surely, 2^6943337172 is an apocalyptic number.

It is an amenable number.

6943337172 is an abundant number, since it is smaller than the sum of its proper divisors (11274596646).

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

6943337172 is a wasteful number, since it uses less digits than its factorization.

6943337172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381139 (or 2381122 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 6943337172 is about 83326.6894338183. The cubic root of 6943337172 is about 1907.7556646894.

The spelling of 6943337172 in words is "six billion, nine hundred forty-three million, three hundred thirty-seven thousand, one hundred seventy-two".