740863 has 8 divisors (see below), whose sum is σ = 781200. Its totient is φ = 701568.

The previous prime is 740849. The next prime is 740891. The reversal of 740863 is 368047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740863 - 2⁹ = 740351 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 (740893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2⁷⁴⁰⁸⁶³ is an apocalyptic number.

740863 is a deficient number, since it is larger than the sum of its proper divisors (40337).

740863 is a wasteful number, since it uses less digits than its factorization.

740863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

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

The square root of 740863 is about 860.7339891046. The cubic root of 740863 is about 90.4855648863.

Subtracting from 740863 its reverse (368047), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 740863 in words is "seven hundred forty thousand, eight hundred sixty-three".