60632721 has 12 divisors (see below), whose sum is σ = 88271872. Its totient is φ = 40102776.

The previous prime is 60632717. The next prime is 60632723. The reversal of 60632721 is 12723606.

It is a happy number.

60632721 is a `hidden beast` number, since 6 + 0 + 632 + 7 + 21 = 666.

It is not a de Polignac number, because 60632721 - 2² = 60632717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60632723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25381 + ... + 27666.

Almost surely, 2^60632721 is an apocalyptic number.

It is an amenable number.

60632721 is a deficient number, since it is larger than the sum of its proper divisors (27639151).

60632721 is a wasteful number, since it uses less digits than its factorization.

60632721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53180 (or 53177 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 60632721 is about 7786.7015481525. The cubic root of 60632721 is about 392.8580766794.

The spelling of 60632721 in words is "sixty million, six hundred thirty-two thousand, seven hundred twenty-one".