73138548 has 48 divisors (see below), whose sum is σ = 201334784. Its totient is φ = 20221920.

The previous prime is 73138537. The next prime is 73138553. The reversal of 73138548 is 84583137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11440 + ... + 16647.

Almost surely, 2^73138548 is an apocalyptic number.

It is an amenable number.

73138548 is an abundant number, since it is smaller than the sum of its proper divisors (128196236).

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

73138548 is a wasteful number, since it uses less digits than its factorization.

73138548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132 (or 28130 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 73138548 is about 8552.1078103588. The cubic root of 73138548 is about 418.1981539531.

The spelling of 73138548 in words is "seventy-three million, one hundred thirty-eight thousand, five hundred forty-eight".