73146238 has 16 divisors (see below), whose sum is σ = 125994240. Its totient is φ = 31498200.

The previous prime is 73146221. The next prime is 73146239. The reversal of 73146238 is 83264137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73146239) 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, 87078 + ... + 87913.

It is an arithmetic number, because the mean of its divisors is an integer number (7874640).

Almost surely, 2^73146238 is an apocalyptic number.

73146238 is a deficient number, since it is larger than the sum of its proper divisors (52848002).

73146238 is a wasteful number, since it uses less digits than its factorization.

73146238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175023.

The product of its digits is 24192, while the sum is 34.

The square root of 73146238 is about 8552.5573953058. The cubic root of 73146238 is about 418.2128102969.

The spelling of 73146238 in words is "seventy-three million, one hundred forty-six thousand, two hundred thirty-eight".