70146436 has 6 divisors (see below), whose sum is σ = 122756270. Its totient is φ = 35073216.

The previous prime is 70146431. The next prime is 70146443. The reversal of 70146436 is 63464107.

It can be written as a sum of positive squares in only one way, i.e., 67404100 + 2742336 = 8210^2 + 1656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70146398 and 70146407.

It is not an unprimeable number, because it can be changed into a prime (70146431) 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, 8768301 + ... + 8768308.

Almost surely, 2^70146436 is an apocalyptic number.

It is an amenable number.

70146436 is a deficient number, since it is larger than the sum of its proper divisors (52609834).

70146436 is a wasteful number, since it uses less digits than its factorization.

70146436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17536613 (or 17536611 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 70146436 is about 8375.3469181879. The cubic root of 70146436 is about 412.4157129286.

The spelling of 70146436 in words is "seventy million, one hundred forty-six thousand, four hundred thirty-six".