70446994 has 4 divisors (see below), whose sum is σ = 105670494. Its totient is φ = 35223496.

The previous prime is 70446991. The next prime is 70447019. The reversal of 70446994 is 49964407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49964407 = 929 ⋅53783.

It can be written as a sum of positive squares in only one way, i.e., 60606225 + 9840769 = 7785^2 + 3137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70446994.

It is not an unprimeable number, because it can be changed into a prime (70446991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17611747 + ... + 17611750.

Almost surely, 2^70446994 is an apocalyptic number.

70446994 is a deficient number, since it is larger than the sum of its proper divisors (35223500).

70446994 is a wasteful number, since it uses less digits than its factorization.

70446994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35223499.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 70446994 is about 8393.2707569815. The cubic root of 70446994 is about 413.0039025871.

The spelling of 70446994 in words is "seventy million, four hundred forty-six thousand, nine hundred ninety-four".