67520699952 has 40 divisors (see below), whose sum is σ = 174775313664. Its totient is φ = 22462146624.

The previous prime is 67520699951. The next prime is 67520699993. The reversal of 67520699952 is 25999602576.

It is not an unprimeable number, because it can be changed into a prime (67520699951) by changing a digit.

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, 1374148 + ... + 1422435.

Almost surely, 2^67520699952 is an apocalyptic number.

It is an amenable number.

67520699952 is an abundant number, since it is smaller than the sum of its proper divisors (107254613712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67520699952 is a wasteful number, since it uses less digits than its factorization.

67520699952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797097 (or 2797091 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 67520699952 in words is "sixty-seven billion, five hundred twenty million, six hundred ninety-nine thousand, nine hundred fifty-two".