70310642 has 4 divisors (see below), whose sum is σ = 105465966. Its totient is φ = 35155320.

The previous prime is 70310627. The next prime is 70310651. The reversal of 70310642 is 24601307.

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., 67584841 + 2725801 = 8221^2 + 1651^2 .

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, 17577659 + ... + 17577662.

Almost surely, 2^70310642 is an apocalyptic number.

70310642 is a deficient number, since it is larger than the sum of its proper divisors (35155324).

70310642 is a wasteful number, since it uses less digits than its factorization.

70310642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35155323.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70310642 is about 8385.1441251776. The cubic root of 70310642 is about 412.7372705356.

Adding to 70310642 its reverse (24601307), we get a palindrome (94911949).

The spelling of 70310642 in words is "seventy million, three hundred ten thousand, six hundred forty-two".