740666047 has 12 divisors (see below), whose sum is σ = 862012368. Its totient is φ = 633723200.

The previous prime is 740666011. The next prime is 740666053.

740666047 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-740666047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740666057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177979 + ... + 182092.

It is an arithmetic number, because the mean of its divisors is an integer number (71834364).

Almost surely, 2^740666047 is an apocalyptic number.

740666047 is a deficient number, since it is larger than the sum of its proper divisors (121346321).

740666047 is a wasteful number, since it uses less digits than its factorization.

740666047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360110 (or 360099 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 740666047 is about 27215.1804513584. The cubic root of 740666047 is about 904.7754586752.

The spelling of 740666047 in words is "seven hundred forty million, six hundred sixty-six thousand, forty-seven".