67772413536 has 96 divisors (see below), whose sum is σ = 183855637728. Its totient is φ = 21844623360.

The previous prime is 67772413529. The next prime is 67772413543. The reversal of 67772413536 is 63531427776.

It is an interprime number because it is at equal distance from previous prime (67772413529) and next prime (67772413543).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368580 + ... + 520956.

It is an arithmetic number, because the mean of its divisors is an integer number (1915162893).

Almost surely, 2^67772413536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67772413536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91927818864).

67772413536 is an abundant number, since it is smaller than the sum of its proper divisors (116083224192).

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

67772413536 is a wasteful number, since it uses less digits than its factorization.

67772413536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152544 (or 152536 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 51.

The spelling of 67772413536 in words is "sixty-seven billion, seven hundred seventy-two million, four hundred thirteen thousand, five hundred thirty-six".