747605412 has 18 divisors (see below), whose sum is σ = 1889780438. Its totient is φ = 249201792.

The previous prime is 747605399. The next prime is 747605437. The reversal of 747605412 is 214506747.

747605412 is a `hidden beast` number, since 7 + 4 + 7 + 605 + 41 + 2 = 666.

747605412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 431974656 + 315630756 = 20784^2 + 17766^2 .

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

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: 20766817 = 747605412 / (7 + 4 + 7 + 6 + 0 + 5 + 4 + 1 + 2).

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, 10383373 + ... + 10383444.

Almost surely, 2^747605412 is an apocalyptic number.

It is an amenable number.

747605412 is an abundant number, since it is smaller than the sum of its proper divisors (1142175026).

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

747605412 is a wasteful number, since it uses less digits than its factorization.

747605412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766827 (or 20766822 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 747605412 is about 27342.3739276603. The cubic root of 747605412 is about 907.5923199115.

The spelling of 747605412 in words is "seven hundred forty-seven million, six hundred five thousand, four hundred twelve".