3622747 has 2 divisors, whose sum is σ = 3622748. Its totient is φ = 3622746.

The previous prime is 3622741. The next prime is 3622763. The reversal of 3622747 is 7472263.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3622747 - 2³ = 3622739 is a prime.

It is equal to p₂₅₈₂₈₆ and since 3622747 and 258286 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3622741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811373 + 1811374.

It is an arithmetic number, because the mean of its divisors is an integer number (1811374).

Almost surely, 2^3622747 is an apocalyptic number.

3622747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622747 is an equidigital number, since it uses as much as digits as its factorization.

3622747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 31.

The square root of 3622747 is about 1903.3515177182. The cubic root of 3622747 is about 153.5840097241.

The spelling of 3622747 in words is "three million, six hundred twenty-two thousand, seven hundred forty-seven".