47961630 has 24 divisors (see below), whose sum is σ = 124700472. Its totient is φ = 12789744.

The previous prime is 47961629. The next prime is 47961653. The reversal of 47961630 is 3616974.

47961630 is a `hidden beast` number, since 4 + 7 + 9 + 616 + 30 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266364 + ... + 266543.

It is an arithmetic number, because the mean of its divisors is an integer number (5195853).

Almost surely, 2^47961630 is an apocalyptic number.

47961630 is an abundant number, since it is smaller than the sum of its proper divisors (76738842).

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

47961630 is a wasteful number, since it uses less digits than its factorization.

47961630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532920 (or 532917 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 47961630 is about 6925.4335604350. The cubic root of 47961630 is about 363.3272553669.

The spelling of 47961630 in words is "forty-seven million, nine hundred sixty-one thousand, six hundred thirty".