78304482 has 40 divisors (see below), whose sum is σ = 185787756. Its totient is φ = 24565248.

The previous prime is 78304451. The next prime is 78304487. The reversal of 78304482 is 28440387.

It can be written as a sum of positive squares in 2 ways, for example, as 77633721 + 670761 = 8811^2 + 819^2 .

It is a super-2 number, since 2×78304482² = 12263183802576648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78304487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11463 + ... + 16970.

Almost surely, 2^78304482 is an apocalyptic number.

78304482 is an abundant number, since it is smaller than the sum of its proper divisors (107483274).

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

78304482 is a wasteful number, since it uses less digits than its factorization.

78304482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28464 (or 28455 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 78304482 is about 8848.9819753461. The cubic root of 78304482 is about 427.8211068546.

It can be divided in two parts, 783044 and 82, that added together give a triangular number (783126 = T₁₂₅₁).

The spelling of 78304482 in words is "seventy-eight million, three hundred four thousand, four hundred eighty-two".