374999993 has 2 divisors, whose sum is σ = 374999994. Its totient is φ = 374999992.

The previous prime is 374999969. The next prime is 375000013. The reversal of 374999993 is 399999473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348456889 + 26543104 = 18667^2 + 5152^2 .

It is an emirp because it is prime and its reverse (399999473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (374999393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187499996 + 187499997.

It is an arithmetic number, because the mean of its divisors is an integer number (187499997).

Almost surely, 2^374999993 is an apocalyptic number.

It is an amenable number.

374999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

374999993 is an equidigital number, since it uses as much as digits as its factorization.

374999993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14880348, while the sum is 62.

The square root of 374999993 is about 19364.9165502979. The cubic root of 374999993 is about 721.1247806667.

The spelling of 374999993 in words is "three hundred seventy-four million, nine hundred ninety-nine thousand, nine hundred ninety-three".