70958971 has 2 divisors, whose sum is σ = 70958972. Its totient is φ = 70958970.

The previous prime is 70958957. The next prime is 70958981. The reversal of 70958971 is 17985907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70958971 - 2⁷ = 70958843 is a prime.

It is not a weakly prime, because it can be changed into another prime (70958981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35479485 + 35479486.

It is an arithmetic number, because the mean of its divisors is an integer number (35479486).

Almost surely, 2^70958971 is an apocalyptic number.

70958971 is a deficient number, since it is larger than the sum of its proper divisors (1).

70958971 is an equidigital number, since it uses as much as digits as its factorization.

70958971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 70958971 is about 8423.7147981161. The cubic root of 70958971 is about 414.0019973143.

The spelling of 70958971 in words is "seventy million, nine hundred fifty-eight thousand, nine hundred seventy-one".