70049687 has 2 divisors, whose sum is σ = 70049688. Its totient is φ = 70049686.

The previous prime is 70049669. The next prime is 70049701. The reversal of 70049687 is 78694007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70049687 - 2⁸ = 70049431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70049627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35024843 + 35024844.

It is an arithmetic number, because the mean of its divisors is an integer number (35024844).

Almost surely, 2^70049687 is an apocalyptic number.

70049687 is a deficient number, since it is larger than the sum of its proper divisors (1).

70049687 is an equidigital number, since it uses as much as digits as its factorization.

70049687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 70049687 is about 8369.5691047986. The cubic root of 70049687 is about 412.2260184910.

The spelling of 70049687 in words is "seventy million, forty-nine thousand, six hundred eighty-seven".