974575387 has 2 divisors, whose sum is σ = 974575388. Its totient is φ = 974575386.

The previous prime is 974575373. The next prime is 974575397. The reversal of 974575387 is 783575479.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 974575387 - 2¹¹ = 974573339 is a prime.

It is not a weakly prime, because it can be changed into another prime (974575397) 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 as a sum of consecutive naturals, namely, 487287693 + 487287694.

It is an arithmetic number, because the mean of its divisors is an integer number (487287694).

Almost surely, 2^974575387 is an apocalyptic number.

974575387 is a deficient number, since it is larger than the sum of its proper divisors (1).

974575387 is an equidigital number, since it uses as much as digits as its factorization.

974575387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7408800, while the sum is 55.

The square root of 974575387 is about 31218.1900019844. The cubic root of 974575387 is about 991.4522735485.

The spelling of 974575387 in words is "nine hundred seventy-four million, five hundred seventy-five thousand, three hundred eighty-seven".