70700042 has 24 divisors (see below), whose sum is σ = 130624164. Its totient is φ = 28516992.

The previous prime is 70700033. The next prime is 70700051. The reversal of 70700042 is 24000707.

It is an interprime number because it is at equal distance from previous prime (70700033) and next prime (70700051).

It can be written as a sum of positive squares in 2 ways, for example, as 52287361 + 18412681 = 7231^2 + 4291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70699987 and 70700023.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 19553 + ... + 22884.

Almost surely, 2^70700042 is an apocalyptic number.

70700042 is a deficient number, since it is larger than the sum of its proper divisors (59924122).

70700042 is a wasteful number, since it uses less digits than its factorization.

70700042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42470 (or 42463 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 70700042 is about 8408.3317013543. The cubic root of 70700042 is about 413.4978196940.

Adding to 70700042 its reverse (24000707), we get a palindrome (94700749).

The spelling of 70700042 in words is "seventy million, seven hundred thousand, forty-two".