70075125 has 56 divisors (see below), whose sum is σ = 131291160. Its totient is φ = 37324800.

The previous prime is 70075111. The next prime is 70075141. The reversal of 70075125 is 52157007.

It can be written as a sum of positive squares in 4 ways, for example, as 4901796 + 65173329 = 2214^2 + 8073^2 .

It is not a de Polignac number, because 70075125 - 2¹⁴ = 70058741 is a prime.

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

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 90741 + ... + 91509.

It is an arithmetic number, because the mean of its divisors is an integer number (2344485).

Almost surely, 2^70075125 is an apocalyptic number.

70075125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70075125 is a deficient number, since it is larger than the sum of its proper divisors (61216035).

70075125 is an frugal number, since it uses more digits than its factorization.

70075125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 70075125 is about 8371.0886388808. The cubic root of 70075125 is about 412.2759113448.

The spelling of 70075125 in words is "seventy million, seventy-five thousand, one hundred twenty-five".