67523949970 has 16 divisors (see below), whose sum is σ = 121546111680. Its totient is φ = 27008912944.

The previous prime is 67523949967. The next prime is 67523950049. The reversal of 67523949970 is 7994932576.

It is a junction number, because it is equal to n+sod(n) for n = 67523949899 and 67523949908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643629 + ... + 741151.

It is an arithmetic number, because the mean of its divisors is an integer number (7596631980).

Almost surely, 2^67523949970 is an apocalyptic number.

67523949970 is a deficient number, since it is larger than the sum of its proper divisors (54022161710).

67523949970 is a wasteful number, since it uses less digits than its factorization.

67523949970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166769.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 67523949970 in words is "sixty-seven billion, five hundred twenty-three million, nine hundred forty-nine thousand, nine hundred seventy".