70621883 has 2 divisors, whose sum is σ = 70621884. Its totient is φ = 70621882.

The previous prime is 70621861. The next prime is 70621913. The reversal of 70621883 is 38812607.

It is a weak prime.

It is an emirp because it is prime and its reverse (38812607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70621883 - 2¹⁴ = 70605499 is a prime.

It is not a weakly prime, because it can be changed into another prime (70621843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35310941 + 35310942.

It is an arithmetic number, because the mean of its divisors is an integer number (35310942).

Almost surely, 2^70621883 is an apocalyptic number.

70621883 is a deficient number, since it is larger than the sum of its proper divisors (1).

70621883 is an equidigital number, since it uses as much as digits as its factorization.

70621883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 70621883 is about 8403.6827046242. The cubic root of 70621883 is about 413.3453893610.

The spelling of 70621883 in words is "seventy million, six hundred twenty-one thousand, eight hundred eighty-three".