47618970 has 64 divisors (see below), whose sum is σ = 136304640. Its totient is φ = 10410048.

The previous prime is 47618953. The next prime is 47618971. The reversal of 47618970 is 7981674.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47618971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (2129760).

Almost surely, 2^47618970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47618970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68152320).

47618970 is an abundant number, since it is smaller than the sum of its proper divisors (88685670).

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

47618970 is a wasteful number, since it uses less digits than its factorization.

47618970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 47618970 is about 6900.6499693869. The cubic root of 47618970 is about 362.4599273975.

It can be divided in two parts, 4761 and 8970, that added together give a palindrome (13731).

The spelling of 47618970 in words is "forty-seven million, six hundred eighteen thousand, nine hundred seventy".