60644620 has 48 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 23486400.

The previous prime is 60644611. The next prime is 60644641. The reversal of 60644620 is 2644606.

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, 129627 + ... + 130093.

It is an arithmetic number, because the mean of its divisors is an integer number (2738736).

Almost surely, 2^60644620 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 60644620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65729664).

60644620 is an abundant number, since it is smaller than the sum of its proper divisors (70814708).

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

60644620 is a wasteful number, since it uses less digits than its factorization.

60644620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 60644620 is about 7787.4655697473. The cubic root of 60644620 is about 392.8837740939.

It can be divided in two parts, 60 and 644620, that added together give a triangular number (644680 = T₁₁₃₅).

The spelling of 60644620 in words is "sixty million, six hundred forty-four thousand, six hundred twenty".