72411448 has 16 divisors (see below), whose sum is σ = 136092960. Its totient is φ = 36120000.

The previous prime is 72411439. The next prime is 72411457. The reversal of 72411448 is 84411427.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72411439) and next prime (72411457).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (8505810).

Almost surely, 2^72411448 is an apocalyptic number.

It is an amenable number.

72411448 is a deficient number, since it is larger than the sum of its proper divisors (63681512).

72411448 is a wasteful number, since it uses less digits than its factorization.

72411448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438 (or 21434 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 72411448 is about 8509.4916416905. The cubic root of 72411448 is about 416.8077101885.

The spelling of 72411448 in words is "seventy-two million, four hundred eleven thousand, four hundred forty-eight".