72506202 has 16 divisors (see below), whose sum is σ = 145107072. Its totient is φ = 24152960.

The previous prime is 72506201. The next prime is 72506219. The reversal of 72506202 is 20260527.

It is not an unprimeable number, because it can be changed into a prime (72506201) 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 7 ways as a sum of consecutive naturals, for example, 9583 + ... + 15389.

It is an arithmetic number, because the mean of its divisors is an integer number (9069192).

Almost surely, 2^72506202 is an apocalyptic number.

72506202 is an abundant number, since it is smaller than the sum of its proper divisors (72600870).

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

72506202 is a wasteful number, since it uses less digits than its factorization.

72506202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893.

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

The square root of 72506202 is about 8515.0573691549. The cubic root of 72506202 is about 416.9894355219.

Adding to 72506202 its reverse (20260527), we get a palindrome (92766729).

The spelling of 72506202 in words is "seventy-two million, five hundred six thousand, two hundred two".