70125075 has 24 divisors (see below), whose sum is σ = 128823600. Its totient is φ = 37399680.

The previous prime is 70125073. The next prime is 70125079. The reversal of 70125075 is 57052107.

It is not a de Polignac number, because 70125075 - 2¹ = 70125073 is a prime.

It is a super-2 number, since 2×70125075² = 9835052287511250, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (70125071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51270 + ... + 52619.

It is an arithmetic number, because the mean of its divisors is an integer number (5367650).

Almost surely, 2^70125075 is an apocalyptic number.

70125075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70125075 is a deficient number, since it is larger than the sum of its proper divisors (58698525).

70125075 is a wasteful number, since it uses less digits than its factorization.

70125075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103908 (or 103897 counting only the distinct ones).

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

The square root of 70125075 is about 8374.0715903317. The cubic root of 70125075 is about 412.3738457199.

The spelling of 70125075 in words is "seventy million, one hundred twenty-five thousand, seventy-five".