70786780472 has 32 divisors (see below), whose sum is σ = 134460414720. Its totient is φ = 34933114080.

The previous prime is 70786780469. The next prime is 70786780487. The reversal of 70786780472 is 27408768707.

It is a super-2 number, since 2×70786780472² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 79403 + ... + 384549.

It is an arithmetic number, because the mean of its divisors is an integer number (4201887960).

Almost surely, 2^70786780472 is an apocalyptic number.

It is an amenable number.

70786780472 is a deficient number, since it is larger than the sum of its proper divisors (63673634248).

70786780472 is a wasteful number, since it uses less digits than its factorization.

70786780472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305531 (or 305527 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 56.

The spelling of 70786780472 in words is "seventy billion, seven hundred eighty-six million, seven hundred eighty thousand, four hundred seventy-two".