971961073 has 8 divisors (see below), whose sum is σ = 1003677440. Its totient is φ = 940267440.

The previous prime is 971961061. The next prime is 971961083. The reversal of 971961073 is 370169179.

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 971961073 - 2⁵ = 971961041 is a prime.

It is a super-2 number, since 2×971961073² = 1889416654854622658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971961083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145186 + ... + 151732.

It is an arithmetic number, because the mean of its divisors is an integer number (125459680).

Almost surely, 2^971961073 is an apocalyptic number.

It is an amenable number.

971961073 is a deficient number, since it is larger than the sum of its proper divisors (31716367).

971961073 is a wasteful number, since it uses less digits than its factorization.

971961073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11367.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 971961073 is about 31176.2902379356. The cubic root of 971961073 is about 990.5649508168.

The spelling of 971961073 in words is "nine hundred seventy-one million, nine hundred sixty-one thousand, seventy-three".