72448801371 has 24 divisors (see below), whose sum is σ = 110327555520. Its totient is φ = 45685906416.

The previous prime is 72448801351. The next prime is 72448801391. The reversal of 72448801371 is 17310884427.

72448801371 is a `hidden beast` number, since 72 + 448 + 8 + 0 + 137 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (72448801351) and next prime (72448801391).

It is not a de Polignac number, because 72448801371 - 2⁵ = 72448801339 is a prime.

It is a super-2 number, since 2×72448801371² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72448801301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219501 + ... + 439406.

It is an arithmetic number, because the mean of its divisors is an integer number (4596981480).

Almost surely, 2^72448801371 is an apocalyptic number.

72448801371 is a deficient number, since it is larger than the sum of its proper divisors (37878754149).

72448801371 is a wasteful number, since it uses less digits than its factorization.

72448801371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659575 (or 659572 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 72448801371 in words is "seventy-two billion, four hundred forty-eight million, eight hundred one thousand, three hundred seventy-one".