747398441 has 4 divisors (see below), whose sum is σ = 748015812. Its totient is φ = 746781072.

The previous prime is 747398423. The next prime is 747398447. The reversal of 747398441 is 144893747.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180768025 + 566630416 = 13445^2 + 23804^2 .

It is a cyclic number.

It is not a de Polignac number, because 747398441 - 2¹⁴ = 747382057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747398447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306866 + ... + 309291.

It is an arithmetic number, because the mean of its divisors is an integer number (187003953).

Almost surely, 2^747398441 is an apocalyptic number.

It is an amenable number.

747398441 is a deficient number, since it is larger than the sum of its proper divisors (617371).

747398441 is a wasteful number, since it uses less digits than its factorization.

747398441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617370.

The product of its digits is 677376, while the sum is 47.

The square root of 747398441 is about 27338.5888626315. The cubic root of 747398441 is about 907.5085579767.

The spelling of 747398441 in words is "seven hundred forty-seven million, three hundred ninety-eight thousand, four hundred forty-one".