972270085 has 8 divisors (see below), whose sum is σ = 1167056280. Its totient is φ = 777594624.

The previous prime is 972270067. The next prime is 972270121. The reversal of 972270085 is 580072279.

It can be written as a sum of positive squares in 4 ways, for example, as 557007201 + 415262884 = 23601^2 + 20378^2 .

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 972270085 - 2²¹ = 970172933 is a prime.

It is a congruent 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, 6952 + ... + 44641.

It is an arithmetic number, because the mean of its divisors is an integer number (145882035).

Almost surely, 2^972270085 is an apocalyptic number.

It is an amenable number.

972270085 is a deficient number, since it is larger than the sum of its proper divisors (194786195).

972270085 is a wasteful number, since it uses less digits than its factorization.

972270085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55367.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 972270085 is about 31181.2457255960. The cubic root of 972270085 is about 990.6699152480.

The spelling of 972270085 in words is "nine hundred seventy-two million, two hundred seventy thousand, eighty-five".