740945723 has 4 divisors (see below), whose sum is σ = 846795120. Its totient is φ = 635096328.

The previous prime is 740945687. The next prime is 740945743. The reversal of 740945723 is 327549047.

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 740945723 - 2¹⁸ = 740683579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740945743) 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, 52924688 + ... + 52924701.

It is an arithmetic number, because the mean of its divisors is an integer number (211698780).

Almost surely, 2^740945723 is an apocalyptic number.

740945723 is a deficient number, since it is larger than the sum of its proper divisors (105849397).

740945723 is a wasteful number, since it uses less digits than its factorization.

740945723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105849396.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 740945723 is about 27220.3182016669. The cubic root of 740945723 is about 904.8893256192.

The spelling of 740945723 in words is "seven hundred forty million, nine hundred forty-five thousand, seven hundred twenty-three".