70863601 has 2 divisors, whose sum is σ = 70863602. Its totient is φ = 70863600.

The previous prime is 70863593. The next prime is 70863607. The reversal of 70863601 is 10636807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70560000 + 303601 = 8400^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 70863601 - 2³ = 70863593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70863607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35431800 + 35431801.

It is an arithmetic number, because the mean of its divisors is an integer number (35431801).

Almost surely, 2^70863601 is an apocalyptic number.

It is an amenable number.

70863601 is a deficient number, since it is larger than the sum of its proper divisors (1).

70863601 is an equidigital number, since it uses as much as digits as its factorization.

70863601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70863601 is about 8418.0520905967. The cubic root of 70863601 is about 413.8164390407.

The spelling of 70863601 in words is "seventy million, eight hundred sixty-three thousand, six hundred one".