60723981 has 12 divisors (see below), whose sum is σ = 92329120. Its totient is φ = 38351880.

The previous prime is 60723967. The next prime is 60723997. The reversal of 60723981 is 18932706.

It is not a de Polignac number, because 60723981 - 2⁶ = 60723917 is a prime.

It is a super-2 number, since 2×60723981² = 7374803736976722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60793981) 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, 177385 + ... + 177726.

Almost surely, 2^60723981 is an apocalyptic number.

It is an amenable number.

60723981 is a deficient number, since it is larger than the sum of its proper divisors (31605139).

60723981 is a wasteful number, since it uses less digits than its factorization.

60723981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355136 (or 355133 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 60723981 is about 7792.5593356740. The cubic root of 60723981 is about 393.0550784254.

The spelling of 60723981 in words is "sixty million, seven hundred twenty-three thousand, nine hundred eighty-one".