72725061 has 8 divisors (see below), whose sum is σ = 97012864. Its totient is φ = 48460320.

The previous prime is 72725047. The next prime is 72725077. The reversal of 72725061 is 16052727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72725061 - 2⁹ = 72724549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72725041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3921 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (12126608).

Almost surely, 2^72725061 is an apocalyptic number.

It is an amenable number.

72725061 is a deficient number, since it is larger than the sum of its proper divisors (24287803).

72725061 is a wasteful number, since it uses less digits than its factorization.

72725061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 72725061 is about 8527.8989792328. The cubic root of 72725061 is about 417.4085730934.

Adding to 72725061 its reverse (16052727), we get a palindrome (88777788).

The spelling of 72725061 in words is "seventy-two million, seven hundred twenty-five thousand, sixty-one".