73554340 has 12 divisors (see below), whose sum is σ = 154464156. Its totient is φ = 29421728.

The previous prime is 73554337. The next prime is 73554347. The reversal of 73554340 is 4345537.

It can be written as a sum of positive squares in 2 ways, for example, as 16128256 + 57426084 = 4016^2 + 7578^2 .

It is not an unprimeable number, because it can be changed into a prime (73554347) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1838839 + ... + 1838878.

It is an arithmetic number, because the mean of its divisors is an integer number (12872013).

Almost surely, 2^73554340 is an apocalyptic number.

It is an amenable number.

73554340 is an abundant number, since it is smaller than the sum of its proper divisors (80909816).

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

73554340 is a wasteful number, since it uses less digits than its factorization.

73554340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677726 (or 3677724 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 73554340 is about 8576.3826873572. The cubic root of 73554340 is about 418.9891411946.

Adding to 73554340 its reverse (4345537), we get a palindrome (77899877).

The spelling of 73554340 in words is "seventy-three million, five hundred fifty-four thousand, three hundred forty".