740834842 has 12 divisors (see below), whose sum is σ = 1221459498. Its totient is φ = 336743000.

The previous prime is 740834839. The next prime is 740834849. The reversal of 740834842 is 248438047.

It can be written as a sum of positive squares in only one way, i.e., 465308041 + 275526801 = 21571^2 + 16599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 740834795 and 740834804.

It is not an unprimeable number, because it can be changed into a prime (740834849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1530409 + ... + 1530892.

Almost surely, 2^740834842 is an apocalyptic number.

740834842 is a deficient number, since it is larger than the sum of its proper divisors (480624656).

740834842 is a wasteful number, since it uses less digits than its factorization.

740834842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061325 (or 3061314 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 740834842 is about 27218.2813932107. The cubic root of 740834842 is about 904.8441850933.

The spelling of 740834842 in words is "seven hundred forty million, eight hundred thirty-four thousand, eight hundred forty-two".