60408720 has 80 divisors (see below), whose sum is σ = 208081920. Its totient is φ = 16108416.

The previous prime is 60408709. The next prime is 60408721. The reversal of 60408720 is 2780406.

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 (27).

It is not an unprimeable number, because it can be changed into a prime (60408721) 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, 11824 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (2601024).

Almost surely, 2^60408720 is an apocalyptic number.

60408720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60408720 is an abundant number, since it is smaller than the sum of its proper divisors (147673200).

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

60408720 is a wasteful number, since it uses less digits than its factorization.

60408720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27989 (or 27977 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 60408720 is about 7772.3046775072. The cubic root of 60408720 is about 392.3736891897.

The spelling of 60408720 in words is "sixty million, four hundred eight thousand, seven hundred twenty".