742787341 has 4 divisors (see below), whose sum is σ = 786480732. Its totient is φ = 699093952.

The previous prime is 742787299. The next prime is 742787347. The reversal of 742787341 is 143787247.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 551075625 + 191711716 = 23475^2 + 13846^2 .

It is a cyclic number.

It is not a de Polignac number, because 742787341 - 2⁹ = 742786829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742787347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21846670 + ... + 21846703.

It is an arithmetic number, because the mean of its divisors is an integer number (196620183).

Almost surely, 2^742787341 is an apocalyptic number.

It is an amenable number.

742787341 is a deficient number, since it is larger than the sum of its proper divisors (43693391).

742787341 is a wasteful number, since it uses less digits than its factorization.

742787341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43693390.

The product of its digits is 263424, while the sum is 43.

The square root of 742787341 is about 27254.1252106906. The cubic root of 742787341 is about 905.6384051002.

The spelling of 742787341 in words is "seven hundred forty-two million, seven hundred eighty-seven thousand, three hundred forty-one".