734666491 has 12 divisors (see below), whose sum is σ = 800822640. Its totient is φ = 673639200.

The previous prime is 734666479. The next prime is 734666497. The reversal of 734666491 is 194666437.

It is a happy number.

It is not a de Polignac number, because 734666491 - 2⁵ = 734666459 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (734666497) 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 11 ways as a sum of consecutive naturals, for example, 11125 + ... + 39913.

It is an arithmetic number, because the mean of its divisors is an integer number (66735220).

Almost surely, 2^734666491 is an apocalyptic number.

734666491 is a deficient number, since it is larger than the sum of its proper divisors (66156149).

734666491 is a wasteful number, since it uses less digits than its factorization.

734666491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28966 (or 28953 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 734666491 is about 27104.7318931584. The cubic root of 734666491 is about 902.3258733593.

It can be divided in two parts, 7346 and 66491, that added together give a palindrome (73837).

The spelling of 734666491 in words is "seven hundred thirty-four million, six hundred sixty-six thousand, four hundred ninety-one".