72464212 has 12 divisors (see below), whose sum is σ = 127522080. Its totient is φ = 36029336.

The previous prime is 72464209. The next prime is 72464239. The reversal of 72464212 is 21246427.

It is a happy number.

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, 49888 + ... + 51319.

It is an arithmetic number, because the mean of its divisors is an integer number (10626840).

Almost surely, 2^72464212 is an apocalyptic number.

It is an amenable number.

72464212 is a deficient number, since it is larger than the sum of its proper divisors (55057868).

72464212 is a wasteful number, since it uses less digits than its factorization.

72464212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101390 (or 101388 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 72464212 is about 8512.5913798326. The cubic root of 72464212 is about 416.9089239379.

The spelling of 72464212 in words is "seventy-two million, four hundred sixty-four thousand, two hundred twelve".