73321052 has 24 divisors (see below), whose sum is σ = 149637600. Its totient is φ = 31422720.

The previous prime is 73321043. The next prime is 73321091. The reversal of 73321052 is 25012337.

It is a congruent number.

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, 25349 + ... + 28092.

It is an arithmetic number, because the mean of its divisors is an integer number (6234900).

Almost surely, 2^73321052 is an apocalyptic number.

It is an amenable number.

73321052 is an abundant number, since it is smaller than the sum of its proper divisors (76316548).

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

73321052 is a wasteful number, since it uses less digits than its factorization.

73321052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53466 (or 53450 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 73321052 is about 8562.7712803741. The cubic root of 73321052 is about 418.5457109417.

Adding to 73321052 its reverse (25012337), we get a palindrome (98333389).

The spelling of 73321052 in words is "seventy-three million, three hundred twenty-one thousand, fifty-two".