73153738 has 32 divisors (see below), whose sum is σ = 131281920. Its totient is φ = 29911680.

The previous prime is 73153733. The next prime is 73153739. The reversal of 73153738 is 83735137.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 73153697 and 73153706.

It is not an unprimeable number, because it can be changed into a prime (73153733) 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 15 ways as a sum of consecutive naturals, for example, 30528 + ... + 32836.

It is an arithmetic number, because the mean of its divisors is an integer number (4102560).

Almost surely, 2^73153738 is an apocalyptic number.

73153738 is a deficient number, since it is larger than the sum of its proper divisors (58128182).

73153738 is a wasteful number, since it uses less digits than its factorization.

73153738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 52920, while the sum is 37.

The square root of 73153738 is about 8552.9958494086. The cubic root of 73153738 is about 418.2271035308.

The spelling of 73153738 in words is "seventy-three million, one hundred fifty-three thousand, seven hundred thirty-eight".