52207470 has 128 divisors (see below), whose sum is σ = 166164480. Its totient is φ = 11404800.

The previous prime is 52207439. The next prime is 52207487. The reversal of 52207470 is 7470225.

52207470 is a `hidden beast` number, since 522 + 0 + 74 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42870 + ... + 44070.

It is an arithmetic number, because the mean of its divisors is an integer number (1298160).

Almost surely, 2^52207470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52207470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83082240).

52207470 is an abundant number, since it is smaller than the sum of its proper divisors (113957010).

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

52207470 is a wasteful number, since it uses less digits than its factorization.

52207470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52207470 is about 7225.4736868942. The cubic root of 52207470 is about 373.7468570184.

Adding to 52207470 its reverse (7470225), we get a palindrome (59677695).

The spelling of 52207470 in words is "fifty-two million, two hundred seven thousand, four hundred seventy".