974372387 has 2 divisors, whose sum is σ = 974372388. Its totient is φ = 974372386.

The previous prime is 974372341. The next prime is 974372401. The reversal of 974372387 is 783273479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 974372387 - 2²⁶ = 907263523 is a prime.

It is not a weakly prime, because it can be changed into another prime (974372317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487186193 + 487186194.

It is an arithmetic number, because the mean of its divisors is an integer number (487186194).

Almost surely, 2^974372387 is an apocalyptic number.

974372387 is a deficient number, since it is larger than the sum of its proper divisors (1).

974372387 is an equidigital number, since it uses as much as digits as its factorization.

974372387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 50.

The square root of 974372387 is about 31214.9385230854. The cubic root of 974372387 is about 991.3834303066.

The spelling of 974372387 in words is "nine hundred seventy-four million, three hundred seventy-two thousand, three hundred eighty-seven".