72061448 has 16 divisors (see below), whose sum is σ = 137132880. Its totient is φ = 35492688.

The previous prime is 72061447. The next prime is 72061463. The reversal of 72061448 is 84416027.

It is not an unprimeable number, because it can be changed into a prime (72061447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66686 + ... + 67757.

It is an arithmetic number, because the mean of its divisors is an integer number (8570805).

Almost surely, 2^72061448 is an apocalyptic number.

It is an amenable number.

72061448 is a deficient number, since it is larger than the sum of its proper divisors (65071432).

72061448 is a wasteful number, since it uses less digits than its factorization.

72061448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134516 (or 134512 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 72061448 is about 8488.9014601419. The cubic root of 72061448 is about 416.1350800237.

The spelling of 72061448 in words is "seventy-two million, sixty-one thousand, four hundred forty-eight".