747041447 has 2 divisors, whose sum is σ = 747041448. Its totient is φ = 747041446.

The previous prime is 747041431. The next prime is 747041467. The reversal of 747041447 is 744140747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 747041447 - 2⁴ = 747041431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 747041447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747041467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373520723 + 373520724.

It is an arithmetic number, because the mean of its divisors is an integer number (373520724).

Almost surely, 2^747041447 is an apocalyptic number.

747041447 is a deficient number, since it is larger than the sum of its proper divisors (1).

747041447 is an equidigital number, since it uses as much as digits as its factorization.

747041447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 38.

The square root of 747041447 is about 27332.0589601296. The cubic root of 747041447 is about 907.3640448281.

The spelling of 747041447 in words is "seven hundred forty-seven million, forty-one thousand, four hundred forty-seven".