740538687 has 16 divisors (see below), whose sum is σ = 1131859712. Its totient is φ = 421882560.

The previous prime is 740538671. The next prime is 740538691. The reversal of 740538687 is 786835047.

It is not a de Polignac number, because 740538687 - 2⁴ = 740538671 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 (740538637) 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 15 ways as a sum of consecutive naturals, for example, 46318 + ... + 60219.

It is an arithmetic number, because the mean of its divisors is an integer number (70741232).

Almost surely, 2^740538687 is an apocalyptic number.

740538687 is a deficient number, since it is larger than the sum of its proper divisors (391321025).

740538687 is a wasteful number, since it uses less digits than its factorization.

740538687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106878.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 740538687 is about 27212.8404801851. The cubic root of 740538687 is about 904.7235959819.

The spelling of 740538687 in words is "seven hundred forty million, five hundred thirty-eight thousand, six hundred eighty-seven".