47702970 has 144 divisors (see below), whose sum is σ = 149652360. Its totient is φ = 10499328.

The previous prime is 47702933. The next prime is 47702987. The reversal of 47702970 is 7920774.

It can be written as a sum of positive squares in 4 ways, for example, as 39425841 + 8277129 = 6279^2 + 2877^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127704 + ... + 128076.

Almost surely, 2^47702970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47702970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74826180).

47702970 is an abundant number, since it is smaller than the sum of its proper divisors (101949390).

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

47702970 is a wasteful number, since it uses less digits than its factorization.

47702970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 47702970 is about 6906.7336708462. The cubic root of 47702970 is about 362.6729289861.

The spelling of 47702970 in words is "forty-seven million, seven hundred two thousand, nine hundred seventy".