73145202 has 32 divisors (see below), whose sum is σ = 157889088. Its totient is φ = 22456896.

The previous prime is 73145183. The next prime is 73145209. The reversal of 73145202 is 20254137.

It is not an unprimeable number, because it can be changed into a prime (73145209) 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, 52588 + ... + 53960.

It is an arithmetic number, because the mean of its divisors is an integer number (4934034).

Almost surely, 2^73145202 is an apocalyptic number.

73145202 is an abundant number, since it is smaller than the sum of its proper divisors (84743886).

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

73145202 is a wasteful number, since it uses less digits than its factorization.

73145202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 73145202 is about 8552.4968284122. The cubic root of 73145202 is about 418.2108358480.

Adding to 73145202 its reverse (20254137), we get a palindrome (93399339).

The spelling of 73145202 in words is "seventy-three million, one hundred forty-five thousand, two hundred two".