630069937 has 8 divisors (see below), whose sum is σ = 720231872. Its totient is φ = 539946000.

The previous prime is 630069931. The next prime is 630069953. The reversal of 630069937 is 739960036.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630069937 is a prime.

It is a super-2 number, since 2×630069937² = 793976251022367938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630069893 and 630069902.

It is not an unprimeable number, because it can be changed into a prime (630069931) 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, 58687 + ... + 68587.

It is an arithmetic number, because the mean of its divisors is an integer number (90028984).

Almost surely, 2^630069937 is an apocalyptic number.

It is an amenable number.

630069937 is a deficient number, since it is larger than the sum of its proper divisors (90161935).

630069937 is an equidigital number, since it uses as much as digits as its factorization.

630069937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 630069937 is about 25101.1939357474. The cubic root of 630069937 is about 857.2936089225.

The spelling of 630069937 in words is "six hundred thirty million, sixty-nine thousand, nine hundred thirty-seven".