47703630 has 72 divisors (see below), whose sum is σ = 125264232. Its totient is φ = 11621376.

The previous prime is 47703629. The next prime is 47703631. The reversal of 47703630 is 3630774.

It is an interprime number because it is at equal distance from previous prime (47703629) and next prime (47703631).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47703631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 491742 + ... + 491838.

It is an arithmetic number, because the mean of its divisors is an integer number (1739781).

Almost surely, 2^47703630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47703630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62632116).

47703630 is an abundant number, since it is smaller than the sum of its proper divisors (77560602).

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

47703630 is a wasteful number, since it uses less digits than its factorization.

47703630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 47703630 is about 6906.7814501401. The cubic root of 47703630 is about 362.6746015796.

Multiplying 47703630 by its sum of digits (30), we get a square (1431108900 = 37830²).

47703630 divided by its sum of digits (30) gives a square (1590121 = 1261²).

The spelling of 47703630 in words is "forty-seven million, seven hundred three thousand, six hundred thirty".