742903569 has 10 divisors (see below), whose sum is σ = 1109769650. Its totient is φ = 495268992.

The previous prime is 742903531. The next prime is 742903589. The reversal of 742903569 is 965309247.

It is a happy number.

742903569 is a `hidden beast` number, since 7 + 4 + 290 + 356 + 9 = 666.

742903569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 732405969 + 10497600 = 27063^2 + 3240^2 .

It is not a de Polignac number, because 742903569 - 2²⁷ = 608685841 is a prime.

It is a super-2 number, since 2×742903569² = 1103811425665875522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742903589) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4585744 + ... + 4585905.

It is an arithmetic number, because the mean of its divisors is an integer number (110976965).

Almost surely, 2^742903569 is an apocalyptic number.

It is an amenable number.

742903569 is a deficient number, since it is larger than the sum of its proper divisors (366866081).

742903569 is an equidigital number, since it uses as much as digits as its factorization.

742903569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171661 (or 9171652 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 742903569 is about 27256.2574283411. The cubic root of 742903569 is about 905.6856393690.

The spelling of 742903569 in words is "seven hundred forty-two million, nine hundred three thousand, five hundred sixty-nine".