747344129 has 12 divisors (see below), whose sum is σ = 907159104. Its totient is φ = 612728424.

The previous prime is 747344107. The next prime is 747344161. The reversal of 747344129 is 921443747.

It is not a de Polignac number, because 747344129 - 2⁸ = 747343873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747344189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330437 + ... + 332690.

It is an arithmetic number, because the mean of its divisors is an integer number (75596592).

Almost surely, 2^747344129 is an apocalyptic number.

It is an amenable number.

747344129 is a deficient number, since it is larger than the sum of its proper divisors (159814975).

747344129 is a wasteful number, since it uses less digits than its factorization.

747344129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663164 (or 663157 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 747344129 is about 27337.5955233813. The cubic root of 747344129 is about 907.4865751466.

The spelling of 747344129 in words is "seven hundred forty-seven million, three hundred forty-four thousand, one hundred twenty-nine".