740918009 has 8 divisors (see below), whose sum is σ = 807526272. Its totient is φ = 675683280.

The previous prime is 740917997. The next prime is 740918027. The reversal of 740918009 is 900819047.

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 740918009 - 2²⁰ = 739869433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740918029) 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, 342257 + ... + 344414.

It is an arithmetic number, because the mean of its divisors is an integer number (100940784).

Almost surely, 2^740918009 is an apocalyptic number.

It is an amenable number.

740918009 is a deficient number, since it is larger than the sum of its proper divisors (66608263).

740918009 is a wasteful number, since it uses less digits than its factorization.

740918009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686767.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 740918009 is about 27219.8091286475. The cubic root of 740918009 is about 904.8780434543.

The spelling of 740918009 in words is "seven hundred forty million, nine hundred eighteen thousand, nine".