70000961 has 4 divisors (see below), whose sum is σ = 70041024. Its totient is φ = 69960900.

The previous prime is 70000943. The next prime is 70000991. The reversal of 70000961 is 16900007.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16900007 = 443 ⋅38149.

It is a cyclic number.

It is not a de Polignac number, because 70000961 - 2⁶ = 70000897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70000991) 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, 17285 + ... + 20946.

It is an arithmetic number, because the mean of its divisors is an integer number (17510256).

Almost surely, 2^70000961 is an apocalyptic number.

It is an amenable number.

70000961 is a deficient number, since it is larger than the sum of its proper divisors (40063).

70000961 is a wasteful number, since it uses less digits than its factorization.

70000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40062.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 70000961 is about 8366.6576958783. The cubic root of 70000961 is about 412.1304159509.

Adding to 70000961 its reverse (16900007), we get a palindrome (86900968).

The spelling of 70000961 in words is "seventy million, nine hundred sixty-one", and thus it is an aban number.