60599920 has 80 divisors (see below), whose sum is σ = 146562048. Its totient is φ = 23287040.

The previous prime is 60599909. The next prime is 60599921. The reversal of 60599920 is 2999506.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60599921) 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, 266847 + ... + 267073.

Almost surely, 2^60599920 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 60599920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73281024).

60599920 is an abundant number, since it is smaller than the sum of its proper divisors (85962128).

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

60599920 is a wasteful number, since it uses less digits than its factorization.

60599920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 60599920 is about 7784.5950440598. The cubic root of 60599920 is about 392.7872213064.

The spelling of 60599920 in words is "sixty million, five hundred ninety-nine thousand, nine hundred twenty".