47207970 has 72 divisors (see below), whose sum is σ = 129629916. Its totient is φ = 11918016.

The previous prime is 47207939. The next prime is 47207981. The reversal of 47207970 is 7970274.

It can be written as a sum of positive squares in 2 ways, for example, as 44475561 + 2732409 = 6669^2 + 1653^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31764 + ... + 33216.

Almost surely, 2^47207970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47207970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64814958).

47207970 is an abundant number, since it is smaller than the sum of its proper divisors (82421946).

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

47207970 is a wasteful number, since it uses less digits than its factorization.

47207970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1482 counting only the distinct ones).

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

The square root of 47207970 is about 6870.8056296187. The cubic root of 47207970 is about 361.4141138803.

Subtracting from 47207970 its reverse (7970274), we obtain a square (39237696 = 6264²).

The spelling of 47207970 in words is "forty-seven million, two hundred seven thousand, nine hundred seventy".