73149332 has 6 divisors (see below), whose sum is σ = 128011338. Its totient is φ = 36574664.

The previous prime is 73149331. The next prime is 73149337. The reversal of 73149332 is 23394137.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 5317636 = 8236^2 + 2306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73149331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9143663 + ... + 9143670.

It is an arithmetic number, because the mean of its divisors is an integer number (21335223).

Almost surely, 2^73149332 is an apocalyptic number.

It is an amenable number.

73149332 is a deficient number, since it is larger than the sum of its proper divisors (54862006).

73149332 is a wasteful number, since it uses less digits than its factorization.

73149332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18287337 (or 18287335 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 73149332 is about 8552.7382749620. The cubic root of 73149332 is about 418.2187068507.

The spelling of 73149332 in words is "seventy-three million, one hundred forty-nine thousand, three hundred thirty-two".