740671009 has 8 divisors (see below), whose sum is σ = 798277032. Its totient is φ = 683155200.

The previous prime is 740670961. The next prime is 740671037. The reversal of 740671009 is 900176047.

It can be written as a sum of positive squares in 4 ways, for example, as 8427409 + 732243600 = 2903^2 + 27060^2 .

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

It is not a de Polignac number, because 740671009 - 2⁷ = 740670881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740671409) 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, 4984 + ... + 38809.

It is an arithmetic number, because the mean of its divisors is an integer number (99784629).

Almost surely, 2^740671009 is an apocalyptic number.

It is an amenable number.

740671009 is a deficient number, since it is larger than the sum of its proper divisors (57606023).

740671009 is a wasteful number, since it uses less digits than its factorization.

740671009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45107.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 740671009 is about 27215.2716135629. The cubic root of 740671009 is about 904.7774791475. Note that the first 3 decimals are identical.

It can be divided in two parts, 74067 and 1009, that added together give a square (75076 = 274²).

The spelling of 740671009 in words is "seven hundred forty million, six hundred seventy-one thousand, nine".