60720736 has 72 divisors (see below), whose sum is σ = 132945624. Its totient is φ = 27202560.

The previous prime is 60720701. The next prime is 60720761. The reversal of 60720736 is 63702706.

It is a junction number, because it is equal to n+sod(n) for n = 60720698 and 60720707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287671 + ... + 287881.

It is an arithmetic number, because the mean of its divisors is an integer number (1846467).

Almost surely, 2^60720736 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 60720736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66472812).

60720736 is an abundant number, since it is smaller than the sum of its proper divisors (72224888).

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

60720736 is a wasteful number, since it uses less digits than its factorization.

60720736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 60720736 is about 7792.3511214524. The cubic root of 60720736 is about 393.0480768728.

The spelling of 60720736 in words is "sixty million, seven hundred twenty thousand, seven hundred thirty-six".