70707070742 has 32 divisors (see below), whose sum is σ = 132250821120. Its totient is φ = 27544164480.

The previous prime is 70707070723. The next prime is 70707070783. The reversal of 70707070742 is 24707070707.

It is a self number, because there is not a number n which added to its sum of digits gives 70707070742.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1153934 + ... + 1213662.

It is an arithmetic number, because the mean of its divisors is an integer number (4132838160).

Almost surely, 2^70707070742 is an apocalyptic number.

70707070742 is a deficient number, since it is larger than the sum of its proper divisors (61543750378).

70707070742 is a wasteful number, since it uses less digits than its factorization.

70707070742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67436.

The product of its (nonzero) digits is 134456, while the sum is 41.

The spelling of 70707070742 in words is "seventy billion, seven hundred seven million, seventy thousand, seven hundred forty-two".