60728631 has 8 divisors (see below), whose sum is σ = 81379200. Its totient is φ = 40281912.

The previous prime is 60728623. The next prime is 60728651. The reversal of 60728631 is 13682706.

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

It is not a de Polignac number, because 60728631 - 2³ = 60728623 is a prime.

It is a super-2 number, since 2×60728631² = 7375933246268322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60728592 and 60728601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60728621) 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, 50265 + ... + 51458.

It is an arithmetic number, because the mean of its divisors is an integer number (10172400).

Almost surely, 2^60728631 is an apocalyptic number.

60728631 is a deficient number, since it is larger than the sum of its proper divisors (20650569).

60728631 is a wasteful number, since it uses less digits than its factorization.

60728631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101925.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 60728631 is about 7792.8576915019. The cubic root of 60728631 is about 393.0651110322.

The spelling of 60728631 in words is "sixty million, seven hundred twenty-eight thousand, six hundred thirty-one".