73542532 has 36 divisors (see below), whose sum is σ = 153773004. Its totient is φ = 30663360.

The previous prime is 73542529. The next prime is 73542533. The reversal of 73542532 is 23524537.

It can be written as a sum of positive squares in 2 ways, for example, as 40755456 + 32787076 = 6384^2 + 5726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73542494 and 73542503.

It is not an unprimeable number, because it can be changed into a prime (73542533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2182 + ... + 12322.

Almost surely, 2^73542532 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 73542532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76886502).

73542532 is an abundant number, since it is smaller than the sum of its proper divisors (80230472).

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

73542532 is a wasteful number, since it uses less digits than its factorization.

73542532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196 (or 10187 counting only the distinct ones).

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

The square root of 73542532 is about 8575.6942576097. The cubic root of 73542532 is about 418.9667192747.

The spelling of 73542532 in words is "seventy-three million, five hundred forty-two thousand, five hundred thirty-two".