52270070 has 16 divisors (see below), whose sum is σ = 99620928. Its totient is φ = 19678080.

The previous prime is 52270033. The next prime is 52270073. The reversal of 52270070 is 7007225.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52270073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153566 + ... + 153905.

It is an arithmetic number, because the mean of its divisors is an integer number (6226308).

Almost surely, 2^52270070 is an apocalyptic number.

52270070 is a deficient number, since it is larger than the sum of its proper divisors (47350858).

52270070 is a wasteful number, since it uses less digits than its factorization.

52270070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307495.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 52270070 is about 7229.8042850412. The cubic root of 52270070 is about 373.8961792525.

Adding to 52270070 its reverse (7007225), we get a palindrome (59277295).

The spelling of 52270070 in words is "fifty-two million, two hundred seventy thousand, seventy".