745466631 has 32 divisors (see below), whose sum is σ = 1235985408. Its totient is φ = 389145600.

The previous prime is 745466627. The next prime is 745466699. The reversal of 745466631 is 136664547.

It is not a de Polignac number, because 745466631 - 2² = 745466627 is a prime.

It is a super-2 number, since 2×745466631² = 1111440995868980322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745466531) 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 31 ways as a sum of consecutive naturals, for example, 12406 + ... + 40556.

It is an arithmetic number, because the mean of its divisors is an integer number (38624544).

Almost surely, 2^745466631 is an apocalyptic number.

745466631 is a deficient number, since it is larger than the sum of its proper divisors (490518777).

745466631 is a wasteful number, since it uses less digits than its factorization.

745466631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28271.

The product of its digits is 362880, while the sum is 42.

The square root of 745466631 is about 27303.2348083519. The cubic root of 745466631 is about 906.7260004933.

The spelling of 745466631 in words is "seven hundred forty-five million, four hundred sixty-six thousand, six hundred thirty-one".