67674623952 has 320 divisors, whose sum is σ = 199043260416. Its totient is φ = 19674869760.

The previous prime is 67674623921. The next prime is 67674623963. The reversal of 67674623952 is 25932647676.

It is a super-2 number, since 2×67674623952² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67674623892 and 67674623901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129893452 + ... + 129893972.

Almost surely, 2^67674623952 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 67674623952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99521630208).

67674623952 is an abundant number, since it is smaller than the sum of its proper divisors (131368636464).

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

67674623952 is a wasteful number, since it uses less digits than its factorization.

67674623952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 732 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 57.

The spelling of 67674623952 in words is "sixty-seven billion, six hundred seventy-four million, six hundred twenty-three thousand, nine hundred fifty-two".