67312633740 has 96 divisors (see below), whose sum is σ = 206014475520. Its totient is φ = 16286073600.

The previous prime is 67312633697. The next prime is 67312633753. The reversal of 67312633740 is 4733621376.

67312633740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×67312633740² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67312633692 and 67312633701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235755 + ... + 436125.

It is an arithmetic number, because the mean of its divisors is an integer number (2145984120).

Almost surely, 2^67312633740 is an apocalyptic number.

67312633740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67312633740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103007237760).

67312633740 is an abundant number, since it is smaller than the sum of its proper divisors (138701841780).

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

67312633740 is a wasteful number, since it uses less digits than its factorization.

67312633740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200903 (or 200901 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 67312633740 in words is "sixty-seven billion, three hundred twelve million, six hundred thirty-three thousand, seven hundred forty".