740864 has 20 divisors (see below), whose sum is σ = 1481304. Its totient is φ = 370176.

The previous prime is 740849. The next prime is 740891. The reversal of 740864 is 468047.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212 + ... + 1235.

2⁷⁴⁰⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

740864 is a deficient number, since it is larger than the sum of its proper divisors (740440).

740864 is an equidigital number, since it uses as much as digits as its factorization.

740864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 740864 is about 860.7345700040. The cubic root of 740864 is about 90.4856055981.

The spelling of 740864 in words is "seven hundred forty thousand, eight hundred sixty-four".