972619706 has 4 divisors (see below), whose sum is σ = 1458929562. Its totient is φ = 486309852.

The previous prime is 972619693. The next prime is 972619723. The reversal of 972619706 is 607916279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 808549225 + 164070481 = 28435^2 + 12809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243154925 + ... + 243154928.

Almost surely, 2^972619706 is an apocalyptic number.

972619706 is a deficient number, since it is larger than the sum of its proper divisors (486309856).

972619706 is a wasteful number, since it uses less digits than its factorization.

972619706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486309855.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 972619706 is about 31186.8514922555. The cubic root of 972619706 is about 990.7886468309.

The spelling of 972619706 in words is "nine hundred seventy-two million, six hundred nineteen thousand, seven hundred six".