633457420 has 12 divisors (see below), whose sum is σ = 1330260624. Its totient is φ = 253382960.

The previous prime is 633457403. The next prime is 633457423. The reversal of 633457420 is 24754336.

It is not an unprimeable number, because it can be changed into a prime (633457423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15836416 + ... + 15836455.

It is an arithmetic number, because the mean of its divisors is an integer number (110855052).

Almost surely, 2^633457420 is an apocalyptic number.

It is an amenable number.

633457420 is an abundant number, since it is smaller than the sum of its proper divisors (696803204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633457420 is a wasteful number, since it uses less digits than its factorization.

633457420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31672880 (or 31672878 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 633457420 is about 25168.5800155670. The cubic root of 633457420 is about 858.8272368621.

The spelling of 633457420 in words is "six hundred thirty-three million, four hundred fifty-seven thousand, four hundred twenty".