6372749 has 2 divisors, whose sum is σ = 6372750. Its totient is φ = 6372748.

The previous prime is 6372727. The next prime is 6372781. The reversal of 6372749 is 9472736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6325225 + 47524 = 2515^2 + 218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6372749 is a prime.

It is a super-2 number, since 2×6372749² = 81223859634002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6372719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3186374 + 3186375.

It is an arithmetic number, because the mean of its divisors is an integer number (3186375).

Almost surely, 2^6372749 is an apocalyptic number.

It is an amenable number.

6372749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6372749 is an equidigital number, since it uses as much as digits as its factorization.

6372749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 6372749 is about 2524.4304308101. The cubic root of 6372749 is about 185.3996619061.

The spelling of 6372749 in words is "six million, three hundred seventy-two thousand, seven hundred forty-nine".