744634634 has 12 divisors (see below), whose sum is σ = 1136214834. Its totient is φ = 366003432.

The previous prime is 744634619. The next prime is 744634651. The reversal of 744634634 is 436436447.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 720654025 + 23980609 = 26845^2 + 4897^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 744634591 and 744634600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46517 + ... + 60440.

Almost surely, 2^744634634 is an apocalyptic number.

744634634 is a deficient number, since it is larger than the sum of its proper divisors (391580200).

744634634 is a wasteful number, since it uses less digits than its factorization.

744634634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107077 (or 107018 counting only the distinct ones).

The product of its digits is 580608, while the sum is 41.

The square root of 744634634 is about 27287.9943198470. The cubic root of 744634634 is about 906.3885500481.

It can be divided in two parts, 74463 and 4634, that added together give a palindrome (79097).

The spelling of 744634634 in words is "seven hundred forty-four million, six hundred thirty-four thousand, six hundred thirty-four".