7442887 has 2 divisors, whose sum is σ = 7442888. Its totient is φ = 7442886.

The previous prime is 7442881. The next prime is 7442893. The reversal of 7442887 is 7882447.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7442881) and next prime (7442893).

It is a cyclic number.

It is not a de Polignac number, because 7442887 - 2¹⁹ = 6918599 is a prime.

It is an Ulam number.

7442887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7442881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3721443 + 3721444.

It is an arithmetic number, because the mean of its divisors is an integer number (3721444).

Almost surely, 2^7442887 is an apocalyptic number.

7442887 is a deficient number, since it is larger than the sum of its proper divisors (1).

7442887 is an equidigital number, since it uses as much as digits as its factorization.

7442887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100352, while the sum is 40.

The square root of 7442887 is about 2728.1655008448. The cubic root of 7442887 is about 195.2452491708.

The spelling of 7442887 in words is "seven million, four hundred forty-two thousand, eight hundred eighty-seven".