740997343 has 8 divisors (see below), whose sum is σ = 797884560. Its totient is φ = 685587840.

The previous prime is 740997329. The next prime is 740997349. The reversal of 740997343 is 343799047.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 740997343 - 2²⁹ = 204126431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740997293 and 740997302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740997349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368388 + ... + 370393.

It is an arithmetic number, because the mean of its divisors is an integer number (99735570).

Almost surely, 2^740997343 is an apocalyptic number.

740997343 is a deficient number, since it is larger than the sum of its proper divisors (56887217).

740997343 is a wasteful number, since it uses less digits than its factorization.

740997343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738857.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 740997343 is about 27221.2663739217. The cubic root of 740997343 is about 904.9103389903.

The spelling of 740997343 in words is "seven hundred forty million, nine hundred ninety-seven thousand, three hundred forty-three".