60720924 has 48 divisors (see below), whose sum is σ = 155514240. Its totient is φ = 18287040.

The previous prime is 60720871. The next prime is 60720931. The reversal of 60720924 is 42902706.

It is a happy number.

It is a super-2 number, since 2×60720924² = 7374061222827552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60720891 and 60720900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21507 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (3239880).

Almost surely, 2^60720924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60720924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77757120).

60720924 is an abundant number, since it is smaller than the sum of its proper divisors (94793316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60720924 is a wasteful number, since it uses less digits than its factorization.

60720924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 60720924 is about 7792.3631845545. The cubic root of 60720924 is about 393.0484825165.

The spelling of 60720924 in words is "sixty million, seven hundred twenty thousand, nine hundred twenty-four".