60021447 has 4 divisors (see below), whose sum is σ = 80028600. Its totient is φ = 40014296.

The previous prime is 60021439. The next prime is 60021463. The reversal of 60021447 is 74412006.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60021447 - 2³ = 60021439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60021427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10003572 + ... + 10003577.

It is an arithmetic number, because the mean of its divisors is an integer number (20007150).

Almost surely, 2^60021447 is an apocalyptic number.

60021447 is a deficient number, since it is larger than the sum of its proper divisors (20007153).

60021447 is a wasteful number, since it uses less digits than its factorization.

60021447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007152.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 60021447 is about 7747.3509666208. The cubic root of 60021447 is about 391.5334042081.

The spelling of 60021447 in words is "sixty million, twenty-one thousand, four hundred forty-seven".