970724655 has 20 divisors (see below), whose sum is σ = 1740114552. Its totient is φ = 517719600.

The previous prime is 970724653. The next prime is 970724707. The reversal of 970724655 is 556427079.

It is not a de Polignac number, because 970724655 - 2¹ = 970724653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 970724655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970724653) 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 19 ways as a sum of consecutive naturals, for example, 1198021 + ... + 1198830.

Almost surely, 2^970724655 is an apocalyptic number.

970724655 is a deficient number, since it is larger than the sum of its proper divisors (769389897).

970724655 is a wasteful number, since it uses less digits than its factorization.

970724655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396868 (or 2396859 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 970724655 is about 31156.4544677343. The cubic root of 970724655 is about 990.1447446765.

The spelling of 970724655 in words is "nine hundred seventy million, seven hundred twenty-four thousand, six hundred fifty-five".