971272719 has 24 divisors (see below), whose sum is σ = 1435429632. Its totient is φ = 632575440.

The previous prime is 971272703. The next prime is 971272763. The reversal of 971272719 is 917272179.

It is a happy number.

It is not a de Polignac number, because 971272719 - 2⁴ = 971272703 is a prime.

It is a super-2 number, since 2×971272719² = 1886741389347305922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971272769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270204 + ... + 273774.

It is an arithmetic number, because the mean of its divisors is an integer number (59809568).

Almost surely, 2^971272719 is an apocalyptic number.

971272719 is a deficient number, since it is larger than the sum of its proper divisors (464156913).

971272719 is a wasteful number, since it uses less digits than its factorization.

971272719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4264 counting only the distinct ones).

The product of its digits is 111132, while the sum is 45.

The square root of 971272719 is about 31165.2485791466. The cubic root of 971272719 is about 990.3310524315.

The spelling of 971272719 in words is "nine hundred seventy-one million, two hundred seventy-two thousand, seven hundred nineteen".