743129634 has 64 divisors (see below), whose sum is σ = 1708156800. Its totient is φ = 213622272.

The previous prime is 743129623. The next prime is 743129657. The reversal of 743129634 is 436921347.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 743129592 and 743129601.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 104752 + ... + 111620.

It is an arithmetic number, because the mean of its divisors is an integer number (26689950).

Almost surely, 2^743129634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743129634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854078400).

743129634 is an abundant number, since it is smaller than the sum of its proper divisors (965027166).

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

743129634 is a wasteful number, since it uses less digits than its factorization.

743129634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979.

The product of its digits is 108864, while the sum is 39.

The square root of 743129634 is about 27260.4041422720. The cubic root of 743129634 is about 905.7774965396. Note that the first 3 decimals are identical.

The spelling of 743129634 in words is "seven hundred forty-three million, one hundred twenty-nine thousand, six hundred thirty-four".