78984732 has 12 divisors (see below), whose sum is σ = 184297736. Its totient is φ = 26328240.

The previous prime is 78984701. The next prime is 78984733. The reversal of 78984732 is 23748987.

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

It is a super-2 number, since 2×78984732² = 12477175778223648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78984733) 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 3 ways as a sum of consecutive naturals, for example, 3291019 + ... + 3291042.

Almost surely, 2^78984732 is an apocalyptic number.

It is an amenable number.

78984732 is an abundant number, since it is smaller than the sum of its proper divisors (105313004).

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

78984732 is a wasteful number, since it uses less digits than its factorization.

78984732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582068 (or 6582066 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 78984732 is about 8887.3354837094. The cubic root of 78984732 is about 429.0563984948.

The spelling of 78984732 in words is "seventy-eight million, nine hundred eighty-four thousand, seven hundred thirty-two".