79432 has 8 divisors (see below), whose sum is σ = 148950. Its totient is φ = 39712.

The previous prime is 79427. The next prime is 79433. The reversal of 79432 is 23497.

It can be written as a sum of positive squares in only one way, i.e., 75076 + 4356 = 274^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 79397 and 79406.

It is not an unprimeable number, because it can be changed into a prime (79433) by changing a digit.

79432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4957 + ... + 4972.

2⁷⁹⁴³² is an apocalyptic number.

It is an amenable number.

79432 is a deficient number, since it is larger than the sum of its proper divisors (69518).

79432 is a wasteful number, since it uses less digits than its factorization.

79432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935 (or 9931 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 79432 is about 281.8368322274. The cubic root of 79432 is about 42.9864749242.

The spelling of 79432 in words is "seventy-nine thousand, four hundred thirty-two".