60720420 has 24 divisors (see below), whose sum is σ = 170017344. Its totient is φ = 16192096.

The previous prime is 60720397. The next prime is 60720431. The reversal of 60720420 is 2402706.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505944 + ... + 506063.

It is an arithmetic number, because the mean of its divisors is an integer number (7084056).

Almost surely, 2^60720420 is an apocalyptic number.

60720420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60720420 is an abundant number, since it is smaller than the sum of its proper divisors (109296924).

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

60720420 is a wasteful number, since it uses less digits than its factorization.

60720420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012019 (or 1012017 counting only the distinct ones).

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

The square root of 60720420 is about 7792.3308451323. The cubic root of 60720420 is about 393.0473950441.

The spelling of 60720420 in words is "sixty million, seven hundred twenty thousand, four hundred twenty".