740216823 has 8 divisors (see below), whose sum is σ = 989534208. Its totient is φ = 492188664.

The previous prime is 740216803. The next prime is 740216887. The reversal of 740216823 is 328612047.

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

It is not a de Polignac number, because 740216823 - 2⁶ = 740216759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740216803) 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, 320965 + ... + 323262.

It is an arithmetic number, because the mean of its divisors is an integer number (123691776).

Almost surely, 2^740216823 is an apocalyptic number.

740216823 is a deficient number, since it is larger than the sum of its proper divisors (249317385).

740216823 is a wasteful number, since it uses less digits than its factorization.

740216823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644613.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 740216823 is about 27206.9260115876. The cubic root of 740216823 is about 904.5925021539.

The spelling of 740216823 in words is "seven hundred forty million, two hundred sixteen thousand, eight hundred twenty-three".