70120591 has 2 divisors, whose sum is σ = 70120592. Its totient is φ = 70120590.

The previous prime is 70120571. The next prime is 70120613. The reversal of 70120591 is 19502107.

It is a weak prime.

It is an emirp because it is prime and its reverse (19502107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70120591 - 2⁵ = 70120559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70120511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060295 + 35060296.

It is an arithmetic number, because the mean of its divisors is an integer number (35060296).

Almost surely, 2^70120591 is an apocalyptic number.

70120591 is a deficient number, since it is larger than the sum of its proper divisors (1).

70120591 is an equidigital number, since it uses as much as digits as its factorization.

70120591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 70120591 is about 8373.8038548798. The cubic root of 70120591 is about 412.3650560740.

Adding to 70120591 its reverse (19502107), we get a palindrome (89622698).

The spelling of 70120591 in words is "seventy million, one hundred twenty thousand, five hundred ninety-one".