72461212 has 12 divisors (see below), whose sum is σ = 133481320. Its totient is φ = 34323696.

The previous prime is 72461203. The next prime is 72461239. The reversal of 72461212 is 21216427.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 476643 + ... + 476794.

Almost surely, 2^72461212 is an apocalyptic number.

It is an amenable number.

72461212 is a deficient number, since it is larger than the sum of its proper divisors (61020108).

72461212 is a wasteful number, since it uses less digits than its factorization.

72461212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953460 (or 953458 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 72461212 is about 8512.4151684466. The cubic root of 72461212 is about 416.9031705506.

Adding to 72461212 its reverse (21216427), we get a palindrome (93677639).

The spelling of 72461212 in words is "seventy-two million, four hundred sixty-one thousand, two hundred twelve".