67371300520452 has 18 divisors (see below), whose sum is σ = 170299676315678. Its totient is φ = 22457100173472.

The previous prime is 67371300520439. The next prime is 67371300520453. The reversal of 67371300520452 is 25402500317376.

67371300520452 is a `hidden beast` number, since 6 + 7 + 3 + 71 + 3 + 0 + 0 + 520 + 4 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41152558580676 + 26218741939776 = 6415026^2 + 5120424^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 67371300520398 and 67371300520407.

It is not an unprimeable number, because it can be changed into a prime (67371300520453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 935712507193 + ... + 935712507264.

Almost surely, 2^{67371300520452} is an apocalyptic number.

It is an amenable number.

67371300520452 is an abundant number, since it is smaller than the sum of its proper divisors (102928375795226).

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

67371300520452 is a wasteful number, since it uses less digits than its factorization.

67371300520452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871425014467 (or 1871425014462 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 67371300520452 in words is "sixty-seven trillion, three hundred seventy-one billion, three hundred million, five hundred twenty thousand, four hundred fifty-two".