68007474072 has 32 divisors (see below), whose sum is σ = 188909650800. Its totient is φ = 22669157952.

The previous prime is 68007474023. The next prime is 68007474083. The reversal of 68007474072 is 27047470086.

It is a super-2 number, since 2×68007474072² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 157424493 + ... + 157424924.

Almost surely, 2^68007474072 is an apocalyptic number.

It is an amenable number.

68007474072 is an abundant number, since it is smaller than the sum of its proper divisors (120902176728).

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

68007474072 is a wasteful number, since it uses less digits than its factorization.

68007474072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314849432 (or 314849422 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 68007474072 in words is "sixty-eight billion, seven million, four hundred seventy-four thousand, seventy-two".