70849151 has 2 divisors, whose sum is σ = 70849152. Its totient is φ = 70849150.

The previous prime is 70849111. The next prime is 70849159. The reversal of 70849151 is 15194807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70849151 - 2¹⁴ = 70832767 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 (70849159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35424575 + 35424576.

It is an arithmetic number, because the mean of its divisors is an integer number (35424576).

Almost surely, 2^70849151 is an apocalyptic number.

70849151 is a deficient number, since it is larger than the sum of its proper divisors (1).

70849151 is an equidigital number, since it uses as much as digits as its factorization.

70849151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 70849151 is about 8417.1937722735. The cubic root of 70849151 is about 413.7883096299.

The spelling of 70849151 in words is "seventy million, eight hundred forty-nine thousand, one hundred fifty-one".