740170243 has 8 divisors (see below), whose sum is σ = 752336640. Its totient is φ = 728052360.

The previous prime is 740170231. The next prime is 740170261. The reversal of 740170243 is 342071047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740170243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740170273) 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, 19296 + ... + 43042.

It is an arithmetic number, because the mean of its divisors is an integer number (94042080).

Almost surely, 2^740170243 is an apocalyptic number.

740170243 is a deficient number, since it is larger than the sum of its proper divisors (12166397).

740170243 is a wasteful number, since it uses less digits than its factorization.

740170243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24257.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 740170243 is about 27206.0699660940. The cubic root of 740170243 is about 904.5735271719.

The spelling of 740170243 in words is "seven hundred forty million, one hundred seventy thousand, two hundred forty-three".