70995539 has 2 divisors, whose sum is σ = 70995540. Its totient is φ = 70995538.

The previous prime is 70995511. The next prime is 70995569. The reversal of 70995539 is 93559907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70995539 - 2²⁴ = 54218323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70995493 and 70995502.

It is not a weakly prime, because it can be changed into another prime (70995569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35497769 + 35497770.

It is an arithmetic number, because the mean of its divisors is an integer number (35497770).

Almost surely, 2^70995539 is an apocalyptic number.

70995539 is a deficient number, since it is larger than the sum of its proper divisors (1).

70995539 is an equidigital number, since it uses as much as digits as its factorization.

70995539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 70995539 is about 8425.8850573693. The cubic root of 70995539 is about 414.0731023719.

The spelling of 70995539 in words is "seventy million, nine hundred ninety-five thousand, five hundred thirty-nine".