7261297172 has 12 divisors (see below), whose sum is σ = 12798690240. Its totient is φ = 3604528536.

The previous prime is 7261297151. The next prime is 7261297177. The reversal of 7261297172 is 2717921627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261297177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6529388 + ... + 6530499.

It is an arithmetic number, because the mean of its divisors is an integer number (1066557520).

Almost surely, 2^7261297172 is an apocalyptic number.

It is an amenable number.

7261297172 is a deficient number, since it is larger than the sum of its proper divisors (5537393068).

7261297172 is a wasteful number, since it uses less digits than its factorization.

7261297172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060030 (or 13060028 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The square root of 7261297172 is about 85213.2452849908. The cubic root of 7261297172 is about 1936.4430850278.

The spelling of 7261297172 in words is "seven billion, two hundred sixty-one million, two hundred ninety-seven thousand, one hundred seventy-two".