75342732 has 12 divisors (see below), whose sum is σ = 175799736. Its totient is φ = 25114240.

The previous prime is 75342731. The next prime is 75342737. The reversal of 75342732 is 23724357.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75342693 and 75342702.

It is not an unprimeable number, because it can be changed into a prime (75342731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139269 + ... + 3139292.

It is an arithmetic number, because the mean of its divisors is an integer number (14649978).

Almost surely, 2^75342732 is an apocalyptic number.

It is an amenable number.

75342732 is an abundant number, since it is smaller than the sum of its proper divisors (100457004).

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

75342732 is a wasteful number, since it uses less digits than its factorization.

75342732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278568 (or 6278566 counting only the distinct ones).

The product of its digits is 35280, while the sum is 33.

The square root of 75342732 is about 8680.0191244029. The cubic root of 75342732 is about 422.3577374282.

It can be divided in two parts, 75 and 342732, that multiplied together give a square (25704900 = 5070²).

The spelling of 75342732 in words is "seventy-five million, three hundred forty-two thousand, seven hundred thirty-two".