70375861 has 4 divisors (see below), whose sum is σ = 70428492. Its totient is φ = 70323232.

The previous prime is 70375853. The next prime is 70375871. The reversal of 70375861 is 16857307.

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 41280625 + 29095236 = 6425^2 + 5394^2 .

It is a cyclic number.

It is not a de Polignac number, because 70375861 - 2³ = 70375853 is a prime.

It is a super-2 number, since 2×70375861² = 9905523622982642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70375861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70375871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24256 + ... + 27001.

It is an arithmetic number, because the mean of its divisors is an integer number (17607123).

Almost surely, 2^70375861 is an apocalyptic number.

It is an amenable number.

70375861 is a deficient number, since it is larger than the sum of its proper divisors (52631).

70375861 is a wasteful number, since it uses less digits than its factorization.

70375861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52630.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 70375861 is about 8389.0321849424. The cubic root of 70375861 is about 412.8648472086.

The spelling of 70375861 in words is "seventy million, three hundred seventy-five thousand, eight hundred sixty-one".