70716938 has 4 divisors (see below), whose sum is σ = 106075410. Its totient is φ = 35358468.

The previous prime is 70716931. The next prime is 70716941. The reversal of 70716938 is 83961707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83961707 = 23 ⋅3650509.

It can be written as a sum of positive squares in only one way, i.e., 47513449 + 23203489 = 6893^2 + 4817^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70716895 and 70716904.

It is not an unprimeable number, because it can be changed into a prime (70716931) 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 as a sum of consecutive naturals, namely, 17679233 + ... + 17679236.

Almost surely, 2^70716938 is an apocalyptic number.

70716938 is a deficient number, since it is larger than the sum of its proper divisors (35358472).

70716938 is a wasteful number, since it uses less digits than its factorization.

70716938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35358471.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 70716938 is about 8409.3363590714. The cubic root of 70716938 is about 413.5307565093.

The spelling of 70716938 in words is "seventy million, seven hundred sixteen thousand, nine hundred thirty-eight".