60644740 has 48 divisors (see below), whose sum is σ = 140520240. Its totient is φ = 21841920.

The previous prime is 60644719. The next prime is 60644783. The reversal of 60644740 is 4744606.

It can be written as a sum of positive squares in 8 ways, for example, as 4064256 + 56580484 = 2016^2 + 7522^2 .

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, 7816 + ... + 13504.

It is an arithmetic number, because the mean of its divisors is an integer number (2927505).

Almost surely, 2^60644740 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 60644740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70260120).

60644740 is an abundant number, since it is smaller than the sum of its proper divisors (79875500).

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

60644740 is a wasteful number, since it uses less digits than its factorization.

60644740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752 (or 5750 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 60644740 is about 7787.4732744325. The cubic root of 60644740 is about 392.8840332322.

The spelling of 60644740 in words is "sixty million, six hundred forty-four thousand, seven hundred forty".