73451052 has 72 divisors (see below), whose sum is σ = 198342144. Its totient is φ = 22863456.

The previous prime is 73451023. The next prime is 73451069. The reversal of 73451052 is 25015437.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34573 + ... + 36635.

It is an arithmetic number, because the mean of its divisors is an integer number (2754752).

Almost surely, 2^73451052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73451052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99171072).

73451052 is an abundant number, since it is smaller than the sum of its proper divisors (124891092).

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

73451052 is a wasteful number, since it uses less digits than its factorization.

73451052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 73451052 is about 8570.3589189718. The cubic root of 73451052 is about 418.7929287838.

Adding to 73451052 its reverse (25015437), we get a palindrome (98466489).

The spelling of 73451052 in words is "seventy-three million, four hundred fifty-one thousand, fifty-two".