70047634 has 4 divisors (see below), whose sum is σ = 105071454. Its totient is φ = 35023816.

The previous prime is 70047587. The next prime is 70047647. The reversal of 70047634 is 43674007.

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., 65658609 + 4389025 = 8103^2 + 2095^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 70047596 and 70047605.

It is an unprimeable number.

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, 17511907 + ... + 17511910.

Almost surely, 2^70047634 is an apocalyptic number.

70047634 is a deficient number, since it is larger than the sum of its proper divisors (35023820).

70047634 is a wasteful number, since it uses less digits than its factorization.

70047634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35023819.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 70047634 is about 8369.4464572037. The cubic root of 70047634 is about 412.2219913101.

The spelling of 70047634 in words is "seventy million, forty-seven thousand, six hundred thirty-four".