740660305 has 16 divisors (see below), whose sum is σ = 1108105344. Its totient is φ = 461710080.

The previous prime is 740660273. The next prime is 740660311. The reversal of 740660305 is 503066047.

It is not a de Polignac number, because 740660305 - 2⁵ = 740660273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961512 + ... + 962281.

It is an arithmetic number, because the mean of its divisors is an integer number (69256584).

Almost surely, 2^740660305 is an apocalyptic number.

It is an amenable number.

740660305 is a deficient number, since it is larger than the sum of its proper divisors (367445039).

740660305 is a wasteful number, since it uses less digits than its factorization.

740660305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923816.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 740660305 is about 27215.0749585593. The cubic root of 740660305 is about 904.7731205840.

The spelling of 740660305 in words is "seven hundred forty million, six hundred sixty thousand, three hundred five".