747563444 has 6 divisors (see below), whose sum is σ = 1308236034. Its totient is φ = 373781720.

The previous prime is 747563431. The next prime is 747563447. The reversal of 747563444 is 444365747.

It can be written as a sum of positive squares in only one way, i.e., 477947044 + 269616400 = 21862^2 + 16420^2 .

It is a super-2 number, since 2×747563444² = 1117702205610282272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 747563395 and 747563404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747563447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93445427 + ... + 93445434.

It is an arithmetic number, because the mean of its divisors is an integer number (218039339).

Almost surely, 2^747563444 is an apocalyptic number.

It is an amenable number.

747563444 is a deficient number, since it is larger than the sum of its proper divisors (560672590).

747563444 is a wasteful number, since it uses less digits than its factorization.

747563444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186890865 (or 186890863 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 44.

The square root of 747563444 is about 27341.6064634103. The cubic root of 747563444 is about 907.5753365552.

The spelling of 747563444 in words is "seven hundred forty-seven million, five hundred sixty-three thousand, four hundred forty-four".