972755 has 8 divisors (see below), whose sum is σ = 1334112. Its totient is φ = 667008.

The previous prime is 972721. The next prime is 972787. The reversal of 972755 is 557279.

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 972755 - 2¹² = 968659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 27793 = 972755 / (9 + 7 + 2 + 7 + 5 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13862 + ... + 13931.

It is an arithmetic number, because the mean of its divisors is an integer number (166764).

2⁹⁷²⁷⁵⁵ is an apocalyptic number.

972755 is a deficient number, since it is larger than the sum of its proper divisors (361357).

972755 is a wasteful number, since it uses less digits than its factorization.

972755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27805.

The product of its digits is 22050, while the sum is 35.

The square root of 972755 is about 986.2834278239. The cubic root of 972755 is about 99.0834585150.

The spelling of 972755 in words is "nine hundred seventy-two thousand, seven hundred fifty-five".