70213125 has 20 divisors (see below), whose sum is σ = 116987552. Its totient is φ = 37446000.

The previous prime is 70213123. The next prime is 70213133. The reversal of 70213125 is 52131207.

It is not a de Polignac number, because 70213125 - 2¹ = 70213123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16849 + ... + 20598.

Almost surely, 2^70213125 is an apocalyptic number.

70213125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70213125 is a deficient number, since it is larger than the sum of its proper divisors (46774427).

70213125 is an equidigital number, since it uses as much as digits as its factorization.

70213125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37470 (or 37455 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 70213125 is about 8379.3272402980. The cubic root of 70213125 is about 412.5463676069.

The spelling of 70213125 in words is "seventy million, two hundred thirteen thousand, one hundred twenty-five".