747006444 has 18 divisors (see below), whose sum is σ = 1888266380. Its totient is φ = 249002136.

The previous prime is 747006439. The next prime is 747006461. The reversal of 747006444 is 444600747.

747006444 is a `hidden beast` number, since 7 + 4 + 7 + 0 + 0 + 644 + 4 = 666.

747006444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20750179 = 747006444 / (7 + 4 + 7 + 0 + 0 + 6 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 747006399 and 747006408.

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, 10375054 + ... + 10375125.

Almost surely, 2^747006444 is an apocalyptic number.

It is an amenable number.

747006444 is an abundant number, since it is smaller than the sum of its proper divisors (1141259936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747006444 is a wasteful number, since it uses less digits than its factorization.

747006444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750189 (or 20750184 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 747006444 is about 27331.4186239939. The cubic root of 747006444 is about 907.3498729416.

The spelling of 747006444 in words is "seven hundred forty-seven million, six thousand, four hundred forty-four".