70287377 has 2 divisors, whose sum is σ = 70287378. Its totient is φ = 70287376.

The previous prime is 70287359. The next prime is 70287421. The reversal of 70287377 is 77378207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63856081 + 6431296 = 7991^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 70287377 - 2⁶ = 70287313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70287307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35143688 + 35143689.

It is an arithmetic number, because the mean of its divisors is an integer number (35143689).

Almost surely, 2^70287377 is an apocalyptic number.

It is an amenable number.

70287377 is a deficient number, since it is larger than the sum of its proper divisors (1).

70287377 is an equidigital number, since it uses as much as digits as its factorization.

70287377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 70287377 is about 8383.7567354975. The cubic root of 70287377 is about 412.6917421413.

The spelling of 70287377 in words is "seventy million, two hundred eighty-seven thousand, three hundred seventy-seven".