60672640 has 128 divisors (see below), whose sum is σ = 171849600. Its totient is φ = 20041728.

The previous prime is 60672617. The next prime is 60672641. The reversal of 60672640 is 4627606.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60672641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129687 + ... + 130153.

It is an arithmetic number, because the mean of its divisors is an integer number (1342575).

Almost surely, 2^60672640 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 60672640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85924800).

60672640 is an abundant number, since it is smaller than the sum of its proper divisors (111176960).

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

60672640 is a wasteful number, since it uses less digits than its factorization.

60672640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 60672640 is about 7789.2644068615. The cubic root of 60672640 is about 392.9442735981.

The spelling of 60672640 in words is "sixty million, six hundred seventy-two thousand, six hundred forty".