60402720 has 96 divisors (see below), whose sum is σ = 217461888. Its totient is φ = 13805568.

The previous prime is 60402707. The next prime is 60402733. The reversal of 60402720 is 2720406.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60402707) and next prime (60402733).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5629 + ... + 12348.

It is an arithmetic number, because the mean of its divisors is an integer number (2265228).

Almost surely, 2^60402720 is an apocalyptic number.

60402720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60402720 is an abundant number, since it is smaller than the sum of its proper divisors (157059168).

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

60402720 is a wasteful number, since it uses less digits than its factorization.

60402720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 60402720 is about 7771.9186820244. The cubic root of 60402720 is about 392.3606981288.

The spelling of 60402720 in words is "sixty million, four hundred two thousand, seven hundred twenty".