67403734450 has 48 divisors (see below), whose sum is σ = 140885107776. Its totient is φ = 23805460800.

The previous prime is 67403734351. The next prime is 67403734457. The reversal of 67403734450 is 5443730476.

It is a super-2 number, since 2×67403734450² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67403734397 and 67403734406.

It is not an unprimeable number, because it can be changed into a prime (67403734457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2239356 + ... + 2269255.

It is an arithmetic number, because the mean of its divisors is an integer number (2935106412).

Almost surely, 2^67403734450 is an apocalyptic number.

67403734450 is an abundant number, since it is smaller than the sum of its proper divisors (73481373326).

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

67403734450 is a wasteful number, since it uses less digits than its factorization.

67403734450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508659 (or 4508654 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 67403734450 in words is "sixty-seven billion, four hundred three million, seven hundred thirty-four thousand, four hundred fifty".