3742993 has 2 divisors, whose sum is σ = 3742994. Its totient is φ = 3742992.

The previous prime is 3742987. The next prime is 3743011. The reversal of 3742993 is 3992473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 1456849 = 1512^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 3742993 - 2⁵ = 3742961 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 7⁴ + 4¹⁰ + 2²¹ + 9⁵ + 9⁶ + 3⁷ .

It is not a weakly prime, because it can be changed into another prime (3742933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871496 + 1871497.

It is an arithmetic number, because the mean of its divisors is an integer number (1871497).

Almost surely, 2^3742993 is an apocalyptic number.

It is an amenable number.

3742993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742993 is an equidigital number, since it uses as much as digits as its factorization.

3742993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 3742993 is about 1934.6816275553. The cubic root of 3742993 is about 155.2647988396.

The spelling of 3742993 in words is "three million, seven hundred forty-two thousand, nine hundred ninety-three".