73969452 has 18 divisors (see below), whose sum is σ = 186978428. Its totient is φ = 24656472.

The previous prime is 73969447. The next prime is 73969463. The reversal of 73969452 is 25496937.

It is a happy number.

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 = 73969398 and 73969407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027318 + ... + 1027389.

Almost surely, 2^73969452 is an apocalyptic number.

It is an amenable number.

73969452 is an abundant number, since it is smaller than the sum of its proper divisors (113008976).

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

73969452 is a wasteful number, since it uses less digits than its factorization.

73969452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054717 (or 2054712 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 73969452 is about 8600.5495173274. The cubic root of 73969452 is about 419.7758668071.

The spelling of 73969452 in words is "seventy-three million, nine hundred sixty-nine thousand, four hundred fifty-two".