740831646 has 16 divisors (see below), whose sum is σ = 1487865600. Its totient is φ = 245910168.

The previous prime is 740831621. The next prime is 740831647. The reversal of 740831646 is 646138047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740831647) 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 7 ways as a sum of consecutive naturals, for example, 256876 + ... + 259743.

It is an arithmetic number, because the mean of its divisors is an integer number (92991600).

Almost surely, 2^740831646 is an apocalyptic number.

740831646 is an abundant number, since it is smaller than the sum of its proper divisors (747033954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740831646 is a wasteful number, since it uses less digits than its factorization.

740831646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516863.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 740831646 is about 27218.2226826073. Note that the first 3 decimals coincide. The cubic root of 740831646 is about 904.8428839099.

The spelling of 740831646 in words is "seven hundred forty million, eight hundred thirty-one thousand, six hundred forty-six".