60724521 has 48 divisors (see below), whose sum is σ = 106666560. Its totient is φ = 32780160.

The previous prime is 60724507. The next prime is 60724537. The reversal of 60724521 is 12542706.

60724521 is a `hidden beast` number, since 607 + 2 + 4 + 52 + 1 = 666.

It is not a de Polignac number, because 60724521 - 2¹⁰ = 60723497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60724501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36510 + ... + 38136.

It is an arithmetic number, because the mean of its divisors is an integer number (2222220).

Almost surely, 2^60724521 is an apocalyptic number.

It is an amenable number.

60724521 is a deficient number, since it is larger than the sum of its proper divisors (45942039).

60724521 is a wasteful number, since it uses less digits than its factorization.

60724521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 60724521 is about 7792.5939840338. The cubic root of 60724521 is about 393.0562435286.

The spelling of 60724521 in words is "sixty million, seven hundred twenty-four thousand, five hundred twenty-one".