746040647 has 4 divisors (see below), whose sum is σ = 813862536. Its totient is φ = 678218760.

The previous prime is 746040629. The next prime is 746040649.

746040647 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 746040647 - 2⁸ = 746040391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 746040647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746040649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33910928 + ... + 33910949.

It is an arithmetic number, because the mean of its divisors is an integer number (203465634).

Almost surely, 2^746040647 is an apocalyptic number.

746040647 is a deficient number, since it is larger than the sum of its proper divisors (67821889).

746040647 is a wasteful number, since it uses less digits than its factorization.

746040647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67821888.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 746040647 is about 27313.7446535622. The cubic root of 746040647 is about 906.9586698386.

The spelling of 746040647 in words is "seven hundred forty-six million, forty thousand, six hundred forty-seven".