746949647 has 4 divisors (see below), whose sum is σ = 747028776. Its totient is φ = 746870520.

The previous prime is 746949589. The next prime is 746949649.

746949647 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 746949647 - 2⁸ = 746949391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 746949592 and 746949601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746949649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23129 + ... + 45042.

It is an arithmetic number, because the mean of its divisors is an integer number (186757194).

Almost surely, 2^746949647 is an apocalyptic number.

746949647 is a deficient number, since it is larger than the sum of its proper divisors (79129).

746949647 is a wasteful number, since it uses less digits than its factorization.

746949647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79128.

The product of its digits is 9144576, while the sum is 56.

The square root of 746949647 is about 27330.3795619453. The cubic root of 746949647 is about 907.3268762382.

The spelling of 746949647 in words is "seven hundred forty-six million, nine hundred forty-nine thousand, six hundred forty-seven".