427724902 has 8 divisors (see below), whose sum is σ = 699913512. Its totient is φ = 194420400.

The previous prime is 427724897. The next prime is 427724923. The reversal of 427724902 is 209427724.

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

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, 9720999 + ... + 9721042.

It is an arithmetic number, because the mean of its divisors is an integer number (87489189).

Almost surely, 2^427724902 is an apocalyptic number.

427724902 is a deficient number, since it is larger than the sum of its proper divisors (272188610).

427724902 is a wasteful number, since it uses less digits than its factorization.

427724902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19442054.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 427724902 is about 20681.5111150032. The cubic root of 427724902 is about 753.4507077318.

It can be divided in two parts, 42772 and 4902, that added together give a palindrome (47674).

The spelling of 427724902 in words is "four hundred twenty-seven million, seven hundred twenty-four thousand, nine hundred two".