740343623 has 4 divisors (see below), whose sum is σ = 752891880. Its totient is φ = 727795368.

The previous prime is 740343613. The next prime is 740343631. The reversal of 740343623 is 326343047.

740343623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740343623 - 2⁶ = 740343559 is a prime.

It is a super-2 number, since 2×740343623² = 1096217360233532258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740343623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740343613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6274040 + ... + 6274157.

It is an arithmetic number, because the mean of its divisors is an integer number (188222970).

Almost surely, 2^740343623 is an apocalyptic number.

740343623 is a deficient number, since it is larger than the sum of its proper divisors (12548257).

740343623 is a wasteful number, since it uses less digits than its factorization.

740343623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12548256.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 740343623 is about 27209.2562007858. The cubic root of 740343623 is about 904.6441517862.

The spelling of 740343623 in words is "seven hundred forty million, three hundred forty-three thousand, six hundred twenty-three".