70902312434 has 4 divisors (see below), whose sum is σ = 106353468654. Its totient is φ = 35451156216.

The previous prime is 70902312389. The next prime is 70902312457. The reversal of 70902312434 is 43421320907.

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., 68588991025 + 2313321409 = 261895^2 + 48097^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70902312394 and 70902312403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17725578107 + ... + 17725578110.

Almost surely, 2^70902312434 is an apocalyptic number.

70902312434 is a deficient number, since it is larger than the sum of its proper divisors (35451156220).

70902312434 is a wasteful number, since it uses less digits than its factorization.

70902312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35451156219.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 70902312434 in words is "seventy billion, nine hundred two million, three hundred twelve thousand, four hundred thirty-four".