630433734 has 16 divisors (see below), whose sum is σ = 1440991488. Its totient is φ = 180123912.

The previous prime is 630433733. The next prime is 630433747. The reversal of 630433734 is 437334036.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 630433695 and 630433704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630433733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7505122 + ... + 7505205.

It is an arithmetic number, because the mean of its divisors is an integer number (90061968).

Almost surely, 2^630433734 is an apocalyptic number.

630433734 is an abundant number, since it is smaller than the sum of its proper divisors (810557754).

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

630433734 is a wasteful number, since it uses less digits than its factorization.

630433734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15010339.

The product of its (nonzero) digits is 54432, while the sum is 33.

The square root of 630433734 is about 25108.4394975076. The cubic root of 630433734 is about 857.4585751790.

The spelling of 630433734 in words is "six hundred thirty million, four hundred thirty-three thousand, seven hundred thirty-four".