70961001 has 4 divisors (see below), whose sum is σ = 94614672. Its totient is φ = 47307332.

The previous prime is 70960993. The next prime is 70961047. The reversal of 70961001 is 10016907.

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 a cyclic number.

It is not a de Polignac number, because 70961001 - 2³ = 70960993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70961081) 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, 11826831 + ... + 11826836.

It is an arithmetic number, because the mean of its divisors is an integer number (23653668).

Almost surely, 2^70961001 is an apocalyptic number.

It is an amenable number.

70961001 is a deficient number, since it is larger than the sum of its proper divisors (23653671).

70961001 is a wasteful number, since it uses less digits than its factorization.

70961001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23653670.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 70961001 is about 8423.8352904126. The cubic root of 70961001 is about 414.0059452109.

Adding to 70961001 its reverse (10016907), we get a palindrome (80977908).

The spelling of 70961001 in words is "seventy million, nine hundred sixty-one thousand, one".