70028915252 has 12 divisors (see below), whose sum is σ = 129759460740. Its totient is φ = 32954783616.

The previous prime is 70028915251. The next prime is 70028915267. The reversal of 70028915252 is 25251982007.

It can be written as a sum of positive squares in 2 ways, for example, as 57213769636 + 12815145616 = 239194^2 + 113204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70028915251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514918427 + ... + 514918562.

It is an arithmetic number, because the mean of its divisors is an integer number (10813288395).

Almost surely, 2^70028915252 is an apocalyptic number.

It is an amenable number.

70028915252 is a deficient number, since it is larger than the sum of its proper divisors (59730545488).

70028915252 is a wasteful number, since it uses less digits than its factorization.

70028915252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029837010 (or 1029837008 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 70028915252 in words is "seventy billion, twenty-eight million, nine hundred fifteen thousand, two hundred fifty-two".