73991452 has 12 divisors (see below), whose sum is σ = 129545416. Its totient is φ = 36978480.

The previous prime is 73991417. The next prime is 73991459. The reversal of 73991452 is 25419937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73991459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13702 + ... + 18322.

Almost surely, 2^73991452 is an apocalyptic number.

It is an amenable number.

73991452 is a deficient number, since it is larger than the sum of its proper divisors (55553964).

73991452 is a wasteful number, since it uses less digits than its factorization.

73991452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628 (or 8626 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 73991452 is about 8601.8284102858. The cubic root of 73991452 is about 419.8174792719.

The spelling of 73991452 in words is "seventy-three million, nine hundred ninety-one thousand, four hundred fifty-two".