73128334 has 16 divisors (see below), whose sum is σ = 113571648. Its totient is φ = 35292672.

The previous prime is 73128331. The next prime is 73128347. The reversal of 73128334 is 43382137.

It is a junction number, because it is equal to n+sod(n) for n = 73128296 and 73128305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73128331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534 + ... + 12190.

It is an arithmetic number, because the mean of its divisors is an integer number (7098228).

Almost surely, 2^73128334 is an apocalyptic number.

73128334 is a deficient number, since it is larger than the sum of its proper divisors (40443314).

73128334 is a wasteful number, since it uses less digits than its factorization.

73128334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10779.

The product of its digits is 12096, while the sum is 31.

The square root of 73128334 is about 8551.5106267840. The cubic root of 73128334 is about 418.1786855382.

The spelling of 73128334 in words is "seventy-three million, one hundred twenty-eight thousand, three hundred thirty-four".