747273771644 has 6 divisors (see below), whose sum is σ = 1307729100384. Its totient is φ = 373636885820.

The previous prime is 747273771641. The next prime is 747273771653. The reversal of 747273771644 is 446177372747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747273771641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93409221452 + ... + 93409221459.

It is an arithmetic number, because the mean of its divisors is an integer number (217954850064).

Almost surely, 2^747273771644 is an apocalyptic number.

It is an amenable number.

747273771644 is a deficient number, since it is larger than the sum of its proper divisors (560455328740).

747273771644 is a wasteful number, since it uses less digits than its factorization.

747273771644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186818442915 (or 186818442913 counting only the distinct ones).

The product of its digits is 38723328, while the sum is 59.

The spelling of 747273771644 in words is "seven hundred forty-seven billion, two hundred seventy-three million, seven hundred seventy-one thousand, six hundred forty-four".