70188434 has 8 divisors (see below), whose sum is σ = 105527100. Its totient is φ = 35012736.

The previous prime is 70188421. The next prime is 70188457. The reversal of 70188434 is 43488107.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 13140625 = 7553^2 + 3625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70188394 and 70188403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39659 + ... + 41390.

Almost surely, 2^70188434 is an apocalyptic number.

70188434 is a deficient number, since it is larger than the sum of its proper divisors (35338666).

70188434 is a wasteful number, since it uses less digits than its factorization.

70188434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81484.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 70188434 is about 8377.8537824433. The cubic root of 70188434 is about 412.4980035410.

The spelling of 70188434 in words is "seventy million, one hundred eighty-eight thousand, four hundred thirty-four".