740836 has 12 divisors (see below), whose sum is σ = 1311660. Its totient is φ = 366080.

The previous prime is 740801. The next prime is 740849. The reversal of 740836 is 638047.

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 532900 = 456^2 + 730^2 .

It is a plaindrome in base 11.

It is an unprimeable number.

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, 685 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (109305).

2⁷⁴⁰⁸³⁶ is an apocalyptic number.

It is an amenable number.

740836 is a deficient number, since it is larger than the sum of its proper divisors (570824).

740836 is a wasteful number, since it uses less digits than its factorization.

740836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 740836 is about 860.7183046735. The cubic root of 740836 is about 90.4844656548.

The spelling of 740836 in words is "seven hundred forty thousand, eight hundred thirty-six".