740809329 has 16 divisors (see below), whose sum is σ = 1078301952. Its totient is φ = 449635968.

The previous prime is 740809327. The next prime is 740809337. The reversal of 740809329 is 923908047.

It is not a de Polignac number, because 740809329 - 2¹ = 740809327 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740809327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127257 + ... + 132950.

It is an arithmetic number, because the mean of its divisors is an integer number (67393872).

Almost surely, 2^740809329 is an apocalyptic number.

It is an amenable number.

740809329 is a deficient number, since it is larger than the sum of its proper divisors (337492623).

740809329 is a wasteful number, since it uses less digits than its factorization.

740809329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260296.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 740809329 is about 27217.8127152055. The cubic root of 740809329 is about 904.8337979133.

The spelling of 740809329 in words is "seven hundred forty million, eight hundred nine thousand, three hundred twenty-nine".