70963814 has 16 divisors (see below), whose sum is σ = 113140800. Its totient is φ = 33266304.

The previous prime is 70963813. The next prime is 70963819. The reversal of 70963814 is 41836907.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70963813) 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 in 7 ways as a sum of consecutive naturals, for example, 5267 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (7071300).

Almost surely, 2^70963814 is an apocalyptic number.

70963814 is a deficient number, since it is larger than the sum of its proper divisors (42176986).

70963814 is a wasteful number, since it uses less digits than its factorization.

70963814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70963814 is about 8424.0022554603. The cubic root of 70963814 is about 414.0114157432.

Subtracting from 70963814 its sum of digits (38), we obtain a square (70963776 = 8424²).

The spelling of 70963814 in words is "seventy million, nine hundred sixty-three thousand, eight hundred fourteen".