742282987 has 2 divisors, whose sum is σ = 742282988. Its totient is φ = 742282986.

The previous prime is 742282949. The next prime is 742282997. The reversal of 742282987 is 789282247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742282987 - 2⁷ = 742282859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742282987.

It is not a weakly prime, because it can be changed into another prime (742282997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371141493 + 371141494.

It is an arithmetic number, because the mean of its divisors is an integer number (371141494).

Almost surely, 2^742282987 is an apocalyptic number.

742282987 is a deficient number, since it is larger than the sum of its proper divisors (1).

742282987 is an equidigital number, since it uses as much as digits as its factorization.

742282987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 49.

The square root of 742282987 is about 27244.8708383798. The cubic root of 742282987 is about 905.4333819633.

It can be divided in two parts, 7422 and 82987, that added together give a palindrome (90409).

The spelling of 742282987 in words is "seven hundred forty-two million, two hundred eighty-two thousand, nine hundred eighty-seven".