73638148 has 24 divisors (see below), whose sum is σ = 135969120. Its totient is φ = 34799040.

The previous prime is 73638137. The next prime is 73638151. The reversal of 73638148 is 84183637.

It is a self number, because there is not a number n which added to its sum of digits gives 73638148.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41928 + ... + 43648.

It is an arithmetic number, because the mean of its divisors is an integer number (5665380).

Almost surely, 2^73638148 is an apocalyptic number.

It is an amenable number.

73638148 is a deficient number, since it is larger than the sum of its proper divisors (62330972).

73638148 is a wasteful number, since it uses less digits than its factorization.

73638148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 73638148 is about 8581.2672723788. The cubic root of 73638148 is about 419.1482132213.

The spelling of 73638148 in words is "seventy-three million, six hundred thirty-eight thousand, one hundred forty-eight".