70875140 has 24 divisors (see below), whose sum is σ = 170100672. Its totient is φ = 24300000.

The previous prime is 70875113. The next prime is 70875157. The reversal of 70875140 is 4157807.

It is a junction number, because it is equal to n+sod(n) for n = 70875097 and 70875106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252986 + ... + 253265.

It is an arithmetic number, because the mean of its divisors is an integer number (7087528).

Almost surely, 2^70875140 is an apocalyptic number.

70875140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70875140 is an abundant number, since it is smaller than the sum of its proper divisors (99225532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70875140 is a wasteful number, since it uses less digits than its factorization.

70875140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506267 (or 506265 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 70875140 is about 8418.7374350315. The cubic root of 70875140 is about 413.8388989433.

It can be divided in two parts, 70875 and 140, that multiplied together give a square (9922500 = 3150²).

The spelling of 70875140 in words is "seventy million, eight hundred seventy-five thousand, one hundred forty".