970740621 has 12 divisors (see below), whose sum is σ = 1440078172. Its totient is φ = 629669376.

The previous prime is 970740607. The next prime is 970740623. The reversal of 970740621 is 126047079.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 448846596 + 521894025 = 21186^2 + 22845^2 .

It is not a de Polignac number, because 970740621 - 2⁷ = 970740493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970740623) 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 11 ways as a sum of consecutive naturals, for example, 1457236 + ... + 1457901.

Almost surely, 2^970740621 is an apocalyptic number.

It is an amenable number.

970740621 is a deficient number, since it is larger than the sum of its proper divisors (469337551).

970740621 is a wasteful number, since it uses less digits than its factorization.

970740621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915180 (or 2915177 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 970740621 is about 31156.7106896733. The cubic root of 970740621 is about 990.1501731175.

The spelling of 970740621 in words is "nine hundred seventy million, seven hundred forty thousand, six hundred twenty-one".