740664005 has 8 divisors (see below), whose sum is σ = 888950400. Its totient is φ = 592428816.

The previous prime is 740663981. The next prime is 740664049. The reversal of 740664005 is 500466047.

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 740664005 - 2²⁴ = 723886789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35816 + ... + 52574.

It is an arithmetic number, because the mean of its divisors is an integer number (111118800).

Almost surely, 2^740664005 is an apocalyptic number.

It is an amenable number.

740664005 is a deficient number, since it is larger than the sum of its proper divisors (148286395).

740664005 is a wasteful number, since it uses less digits than its factorization.

740664005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25603.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 740664005 is about 27215.1429355056. The cubic root of 740664005 is about 904.7746271924.

The spelling of 740664005 in words is "seven hundred forty million, six hundred sixty-four thousand, five".