70276081 has 4 divisors (see below), whose sum is σ = 70297200. Its totient is φ = 70254964.

The previous prime is 70276069. The next prime is 70276093. The reversal of 70276081 is 18067207.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (70276069) and next prime (70276093).

It is a cyclic number.

It is not a de Polignac number, because 70276081 - 2¹³ = 70267889 is a prime.

It is a super-2 number, since 2×70276081² = 9877455121437122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70273081) 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, 4351 + ... + 12628.

It is an arithmetic number, because the mean of its divisors is an integer number (17574300).

Almost surely, 2^70276081 is an apocalyptic number.

It is an amenable number.

70276081 is a deficient number, since it is larger than the sum of its proper divisors (21119).

70276081 is a wasteful number, since it uses less digits than its factorization.

70276081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 70276081 is about 8383.0830247589. The cubic root of 70276081 is about 412.6696328339.

The spelling of 70276081 in words is "seventy million, two hundred seventy-six thousand, eighty-one".