60721344 has 84 divisors (see below), whose sum is σ = 175138080. Its totient is φ = 20113920.

The previous prime is 60721333. The next prime is 60721361. The reversal of 60721344 is 44312706.

60721344 is a `hidden beast` number, since 607 + 2 + 13 + 44 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155902 + ... + 156290.

Almost surely, 2^60721344 is an apocalyptic number.

60721344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60721344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87569040).

60721344 is an abundant number, since it is smaller than the sum of its proper divisors (114416736).

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

60721344 is a wasteful number, since it uses less digits than its factorization.

60721344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 60721344 is about 7792.3901339704. The cubic root of 60721344 is about 393.0493887389.

The spelling of 60721344 in words is "sixty million, seven hundred twenty-one thousand, three hundred forty-four".