740909047 has 16 divisors (see below), whose sum is σ = 793818720. Its totient is φ = 689472000.

The previous prime is 740909017. The next prime is 740909063.

740909047 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 740909047 - 2⁷ = 740908919 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 (740909017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388797 + ... + 390697.

It is an arithmetic number, because the mean of its divisors is an integer number (49613670).

Almost surely, 2^740909047 is an apocalyptic number.

740909047 is a deficient number, since it is larger than the sum of its proper divisors (52909673).

740909047 is a wasteful number, since it uses less digits than its factorization.

740909047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 740909047 is about 27219.6445053935. The cubic root of 740909047 is about 904.8743950301.

The spelling of 740909047 in words is "seven hundred forty million, nine hundred nine thousand, forty-seven".