73129126 has 32 divisors (see below), whose sum is σ = 130351680. Its totient is φ = 30105600.

The previous prime is 73129109. The next prime is 73129127. The reversal of 73129126 is 62192137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73129127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113766 + ... + 114406.

It is an arithmetic number, because the mean of its divisors is an integer number (4073490).

Almost surely, 2^73129126 is an apocalyptic number.

73129126 is a deficient number, since it is larger than the sum of its proper divisors (57222554).

73129126 is a wasteful number, since it uses less digits than its factorization.

73129126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its digits is 4536, while the sum is 31.

The square root of 73129126 is about 8551.5569342664. The cubic root of 73129126 is about 418.1801951962.

The spelling of 73129126 in words is "seventy-three million, one hundred twenty-nine thousand, one hundred twenty-six".