972689743 has 8 divisors (see below), whose sum is σ = 1027695600. Its totient is φ = 918065088.

The previous prime is 972689723. The next prime is 972689747. The reversal of 972689743 is 347986279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 972689743 - 2²¹ = 970592591 is a prime.

It is a super-2 number, since 2×972689743² = 1892250672274812098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972689747) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 90046 + ... + 100267.

It is an arithmetic number, because the mean of its divisors is an integer number (128461950).

Almost surely, 2^972689743 is an apocalyptic number.

972689743 is a deficient number, since it is larger than the sum of its proper divisors (55005857).

972689743 is a wasteful number, since it uses less digits than its factorization.

972689743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190601.

The product of its digits is 4572288, while the sum is 55.

The square root of 972689743 is about 31187.9743330663. The cubic root of 972689743 is about 990.8124280335.

The spelling of 972689743 in words is "nine hundred seventy-two million, six hundred eighty-nine thousand, seven hundred forty-three".