70820963 has 16 divisors (see below), whose sum is σ = 77220864. Its totient is φ = 64694400.

The previous prime is 70820927. The next prime is 70820969. The reversal of 70820963 is 36902807.

It is a cyclic number.

It is not a de Polignac number, because 70820963 - 2⁸ = 70820707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70820969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120356 + ... + 120942.

It is an arithmetic number, because the mean of its divisors is an integer number (4826304).

Almost surely, 2^70820963 is an apocalyptic number.

70820963 is a deficient number, since it is larger than the sum of its proper divisors (6399901).

70820963 is a wasteful number, since it uses less digits than its factorization.

70820963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 70820963 is about 8415.5191759035. The cubic root of 70820963 is about 413.7334258291.

The spelling of 70820963 in words is "seventy million, eight hundred twenty thousand, nine hundred sixty-three".