72272601 has 16 divisors (see below), whose sum is σ = 111726720. Its totient is φ = 46086480.

The previous prime is 72272591. The next prime is 72272623. The reversal of 72272601 is 10627227.

It is not a de Polignac number, because 72272601 - 2⁶ = 72272537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (72272801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57570 + ... + 58811.

It is an arithmetic number, because the mean of its divisors is an integer number (6982920).

Almost surely, 2^72272601 is an apocalyptic number.

It is an amenable number.

72272601 is a deficient number, since it is larger than the sum of its proper divisors (39454119).

72272601 is a wasteful number, since it uses less digits than its factorization.

72272601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116413 (or 116407 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72272601 is about 8501.3293666344. The cubic root of 72272601 is about 416.5411338812.

Adding to 72272601 its reverse (10627227), we get a palindrome (82899828).

The spelling of 72272601 in words is "seventy-two million, two hundred seventy-two thousand, six hundred one".