70491107 has 2 divisors, whose sum is σ = 70491108. Its totient is φ = 70491106.

The previous prime is 70491103. The next prime is 70491119. The reversal of 70491107 is 70119407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70491107 - 2² = 70491103 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70491107.

It is not a weakly prime, because it can be changed into another prime (70491103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35245553 + 35245554.

It is an arithmetic number, because the mean of its divisors is an integer number (35245554).

Almost surely, 2^70491107 is an apocalyptic number.

70491107 is a deficient number, since it is larger than the sum of its proper divisors (1).

70491107 is an equidigital number, since it uses as much as digits as its factorization.

70491107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 70491107 is about 8395.8982247285. The cubic root of 70491107 is about 413.0900905072.

The spelling of 70491107 in words is "seventy million, four hundred ninety-one thousand, one hundred seven".