428753722 has 8 divisors (see below), whose sum is σ = 643757472. Its totient is φ = 214167900.

The previous prime is 428753713. The next prime is 428753737. The reversal of 428753722 is 227357824.

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

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, 101904 + ... + 106027.

It is an arithmetic number, because the mean of its divisors is an integer number (80469684).

Almost surely, 2^428753722 is an apocalyptic number.

428753722 is a deficient number, since it is larger than the sum of its proper divisors (215003750).

428753722 is a wasteful number, since it uses less digits than its factorization.

428753722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208964.

The product of its digits is 188160, while the sum is 40.

The square root of 428753722 is about 20706.3691167718. The cubic root of 428753722 is about 754.0543234928.

The spelling of 428753722 in words is "four hundred twenty-eight million, seven hundred fifty-three thousand, seven hundred twenty-two".