207630028 has 12 divisors (see below), whose sum is σ = 364913640. Its totient is φ = 103368992.

The previous prime is 207630023. The next prime is 207630029. The reversal of 207630028 is 820036702.

It is a super-2 number, since 2×207630028² = 86220457054561568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 207629978 and 207630005.

It is not an unprimeable number, because it can be changed into a prime (207630023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110458 + ... + 112321.

It is an arithmetic number, because the mean of its divisors is an integer number (30409470).

Almost surely, 2^207630028 is an apocalyptic number.

It is an amenable number.

207630028 is a deficient number, since it is larger than the sum of its proper divisors (157283612).

207630028 is a wasteful number, since it uses less digits than its factorization.

207630028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223016 (or 223014 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 207630028 is about 14409.3729218172. The cubic root of 207630028 is about 592.1477101286.

The spelling of 207630028 in words is "two hundred seven million, six hundred thirty thousand, twenty-eight".