73738144 has 12 divisors (see below), whose sum is σ = 145172034. Its totient is φ = 36869056.

The previous prime is 73738121. The next prime is 73738169. The reversal of 73738144 is 44183737.

It can be written as a sum of positive squares in only one way, i.e., 57577744 + 16160400 = 7588^2 + 4020^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152127 + ... + 1152190.

Almost surely, 2^73738144 is an apocalyptic number.

It is an amenable number.

73738144 is a deficient number, since it is larger than the sum of its proper divisors (71433890).

73738144 is a wasteful number, since it uses less digits than its factorization.

73738144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304327 (or 2304319 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 73738144 is about 8587.0917079067. The cubic root of 73738144 is about 419.3378530948.

The spelling of 73738144 in words is "seventy-three million, seven hundred thirty-eight thousand, one hundred forty-four".