78495132 has 12 divisors (see below), whose sum is σ = 183155336. Its totient is φ = 26165040.

The previous prime is 78495127. The next prime is 78495139. The reversal of 78495132 is 23159487.

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

It is a super-2 number, since 2×78495132² = 12322971495394848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78495139) 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, 3270619 + ... + 3270642.

Almost surely, 2^78495132 is an apocalyptic number.

It is an amenable number.

78495132 is an abundant number, since it is smaller than the sum of its proper divisors (104660204).

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

78495132 is a wasteful number, since it uses less digits than its factorization.

78495132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541268 (or 6541266 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 78495132 is about 8859.7478519425. The cubic root of 78495132 is about 428.1680345822.

The spelling of 78495132 in words is "seventy-eight million, four hundred ninety-five thousand, one hundred thirty-two".