60721132 has 6 divisors (see below), whose sum is σ = 106261988. Its totient is φ = 30360564.

The previous prime is 60721091. The next prime is 60721139. The reversal of 60721132 is 23112706.

It is a super-2 number, since 2×60721132² = 7374111742722848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60721139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7590138 + ... + 7590145.

Almost surely, 2^60721132 is an apocalyptic number.

It is an amenable number.

60721132 is a deficient number, since it is larger than the sum of its proper divisors (45540856).

60721132 is a wasteful number, since it uses less digits than its factorization.

60721132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180287 (or 15180285 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 60721132 is about 7792.3765309436. The cubic root of 60721132 is about 393.0489313129.

Adding to 60721132 its reverse (23112706), we get a palindrome (83833838).

The spelling of 60721132 in words is "sixty million, seven hundred twenty-one thousand, one hundred thirty-two".