7445989 has 2 divisors, whose sum is σ = 7445990. Its totient is φ = 7445988.

The previous prime is 7445959. The next prime is 7445993. The reversal of 7445989 is 9895447.

7445989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6041764 + 1404225 = 2458^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 7445989 - 2¹¹ = 7443941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7445939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722994 + 3722995.

It is an arithmetic number, because the mean of its divisors is an integer number (3722995).

Almost surely, 2^7445989 is an apocalyptic number.

It is an amenable number.

7445989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445989 is an equidigital number, since it uses as much as digits as its factorization.

7445989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 7445989 is about 2728.7339555186. The cubic root of 7445989 is about 195.2723697690.

The spelling of 7445989 in words is "seven million, four hundred forty-five thousand, nine hundred eighty-nine".