47630997 has 10 divisors (see below), whose sum is σ = 71152598. Its totient is φ = 31753944.

The previous prime is 47630993. The next prime is 47631041. The reversal of 47630997 is 79903674.

47630997 is a `hidden beast` number, since 4 + 7 + 630 + 9 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 17589636 = 5481^2 + 4194^2 .

It is not a de Polignac number, because 47630997 - 2² = 47630993 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47630993) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 293938 + ... + 294099.

Almost surely, 2^47630997 is an apocalyptic number.

It is an amenable number.

47630997 is a deficient number, since it is larger than the sum of its proper divisors (23521601).

47630997 is an equidigital number, since it uses as much as digits as its factorization.

47630997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588049 (or 588040 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 47630997 is about 6901.5213540204. The cubic root of 47630997 is about 362.4904400174.

The spelling of 47630997 in words is "forty-seven million, six hundred thirty thousand, nine hundred ninety-seven".