1974074387 has 2 divisors, whose sum is σ = 1974074388. Its totient is φ = 1974074386.

The previous prime is 1974074371. The next prime is 1974074423. The reversal of 1974074387 is 7834704791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1974074387 - 2⁴ = 1974074371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1974074587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987037193 + 987037194.

It is an arithmetic number, because the mean of its divisors is an integer number (987037194).

Almost surely, 2^1974074387 is an apocalyptic number.

1974074387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974074387 is an equidigital number, since it uses as much as digits as its factorization.

1974074387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 1974074387 is about 44430.5569062554. The cubic root of 1974074387 is about 1254.4533180852.

The spelling of 1974074387 in words is "one billion, nine hundred seventy-four million, seventy-four thousand, three hundred eighty-seven".