3732649 has 2 divisors, whose sum is σ = 3732650. Its totient is φ = 3732648.

The previous prime is 3732629. The next prime is 3732653. The reversal of 3732649 is 9462373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 25 = 1932^2 + 5^2 .

It is an emirp because it is prime and its reverse (9462373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3732649 - 2²¹ = 1635497 is a prime.

It is not a weakly prime, because it can be changed into another prime (3732629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1866324 + 1866325.

It is an arithmetic number, because the mean of its divisors is an integer number (1866325).

Almost surely, 2^3732649 is an apocalyptic number.

It is an amenable number.

3732649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3732649 is an equidigital number, since it uses as much as digits as its factorization.

3732649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 3732649 is about 1932.0064699685. The cubic root of 3732649 is about 155.1216388215.

The spelling of 3732649 in words is "three million, seven hundred thirty-two thousand, six hundred forty-nine".