67672824320 has 40 divisors (see below), whose sum is σ = 162256176324. Its totient is φ = 27069128704.

The previous prime is 67672824319. The next prime is 67672824337. The reversal of 67672824320 is 2342827676.

It can be written as a sum of positive squares in 2 ways, for example, as 67591680256 + 81144064 = 259984^2 + 9008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×67672824320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13214789 + ... + 13219908.

Almost surely, 2^67672824320 is an apocalyptic number.

It is an amenable number.

67672824320 is an abundant number, since it is smaller than the sum of its proper divisors (94583352004).

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

67672824320 is an equidigital number, since it uses as much as digits as its factorization.

67672824320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26434720 (or 26434704 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 67672824320 in words is "sixty-seven billion, six hundred seventy-two million, eight hundred twenty-four thousand, three hundred twenty".