70875005 has 4 divisors (see below), whose sum is σ = 85050012. Its totient is φ = 56700000.

The previous prime is 70875001. The next prime is 70875011. The reversal of 70875005 is 50057807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 57486724 = 3659^2 + 7582^2 .

It is not a de Polignac number, because 70875005 - 2² = 70875001 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 (70875001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7087496 + ... + 7087505.

It is an arithmetic number, because the mean of its divisors is an integer number (21262503).

Almost surely, 2^70875005 is an apocalyptic number.

It is an amenable number.

70875005 is a deficient number, since it is larger than the sum of its proper divisors (14175007).

70875005 is a wasteful number, since it uses less digits than its factorization.

70875005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175006.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 70875005 is about 8418.7294171983. The cubic root of 70875005 is about 413.8386361888.

The spelling of 70875005 in words is "seventy million, eight hundred seventy-five thousand, five".