420725582 has 8 divisors (see below), whose sum is σ = 631184400. Its totient is φ = 210330784.

The previous prime is 420725579. The next prime is 420725587. The reversal of 420725582 is 285527024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420725587) 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, 7094 + ... + 29862.

It is an arithmetic number, because the mean of its divisors is an integer number (78898050).

Almost surely, 2^420725582 is an apocalyptic number.

420725582 is a deficient number, since it is larger than the sum of its proper divisors (210458818).

420725582 is a wasteful number, since it uses less digits than its factorization.

420725582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32010.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 420725582 is about 20511.5962811284. The cubic root of 420725582 is about 749.3182438733.

The spelling of 420725582 in words is "four hundred twenty million, seven hundred twenty-five thousand, five hundred eighty-two".