70016434 has 4 divisors (see below), whose sum is σ = 105024654. Its totient is φ = 35008216.

The previous prime is 70016431. The next prime is 70016449. The reversal of 70016434 is 43461007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57078025 + 12938409 = 7555^2 + 3597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70016399 and 70016408.

It is not an unprimeable number, because it can be changed into a prime (70016431) 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 as a sum of consecutive naturals, namely, 17504107 + ... + 17504110.

Almost surely, 2^70016434 is an apocalyptic number.

70016434 is a deficient number, since it is larger than the sum of its proper divisors (35008220).

70016434 is a wasteful number, since it uses less digits than its factorization.

70016434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008219.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 70016434 is about 8367.5823270524. The cubic root of 70016434 is about 412.1607794585.

The spelling of 70016434 in words is "seventy million, sixteen thousand, four hundred thirty-four".