420072572 has 12 divisors (see below), whose sum is σ = 736738800. Its totient is φ = 209575776.

The previous prime is 420072559. The next prime is 420072607. The reversal of 420072572 is 275270024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113072 + ... + 116727.

It is an arithmetic number, because the mean of its divisors is an integer number (61394900).

Almost surely, 2^420072572 is an apocalyptic number.

It is an amenable number.

420072572 is a deficient number, since it is larger than the sum of its proper divisors (316666228).

420072572 is a wasteful number, since it uses less digits than its factorization.

420072572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230260 (or 230258 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 420072572 is about 20495.6720309435. The cubic root of 420072572 is about 748.9303697653.

The spelling of 420072572 in words is "four hundred twenty million, seventy-two thousand, five hundred seventy-two".