70748879 has 2 divisors, whose sum is σ = 70748880. Its totient is φ = 70748878.

The previous prime is 70748861. The next prime is 70748911. The reversal of 70748879 is 97884707.

It is a weak prime.

It is an emirp because it is prime and its reverse (97884707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70748879 - 2¹² = 70744783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70748809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35374439 + 35374440.

It is an arithmetic number, because the mean of its divisors is an integer number (35374440).

Almost surely, 2^70748879 is an apocalyptic number.

70748879 is a deficient number, since it is larger than the sum of its proper divisors (1).

70748879 is an equidigital number, since it uses as much as digits as its factorization.

70748879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 70748879 is about 8411.2352838332. The cubic root of 70748879 is about 413.5930074971.

The spelling of 70748879 in words is "seventy million, seven hundred forty-eight thousand, eight hundred seventy-nine".