70740000770 has 16 divisors (see below), whose sum is σ = 127377706680. Its totient is φ = 28285843584.

The previous prime is 70740000691. The next prime is 70740000787. The reversal of 70740000770 is 7700004707.

It can be written as a sum of positive squares in 4 ways, for example, as 40617968521 + 30122032249 = 201539^2 + 173557^2 .

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 1240307 + ... + 1296086.

Almost surely, 2^70740000770 is an apocalyptic number.

70740000770 is a deficient number, since it is larger than the sum of its proper divisors (56637705910).

70740000770 is a wasteful number, since it uses less digits than its factorization.

70740000770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539189.

The product of its (nonzero) digits is 9604, while the sum is 32.

The spelling of 70740000770 in words is "seventy billion, seven hundred forty million, seven hundred seventy", and thus it is an aban number.