80752428 has 18 divisors (see below), whose sum is σ = 204124284. Its totient is φ = 26917464.

The previous prime is 80752423. The next prime is 80752433. The reversal of 80752428 is 82425708.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80752423) and next prime (80752433).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2243123 = 80752428 / (8 + 0 + 7 + 5 + 2 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 80752392 and 80752401.

It is not an unprimeable number, because it can be changed into a prime (80752423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121526 + ... + 1121597.

It is an arithmetic number, because the mean of its divisors is an integer number (11340238).

Almost surely, 2^80752428 is an apocalyptic number.

It is an amenable number.

80752428 is an abundant number, since it is smaller than the sum of its proper divisors (123371856).

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

80752428 is a wasteful number, since it uses less digits than its factorization.

80752428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243133 (or 2243128 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 80752428 is about 8986.2354743241. The cubic root of 80752428 is about 432.2336056500.

It can be divided in two parts, 807 and 52428, that added together give a palindrome (53235).

The spelling of 80752428 in words is "eighty million, seven hundred fifty-two thousand, four hundred twenty-eight".