78672952 has 16 divisors (see below), whose sum is σ = 151499160. Its totient is φ = 38273184.

The previous prime is 78672943. The next prime is 78672953. The reversal of 78672952 is 25927687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78672953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132598 + ... + 133189.

Almost surely, 2^78672952 is an apocalyptic number.

It is an amenable number.

78672952 is a deficient number, since it is larger than the sum of its proper divisors (72826208).

78672952 is a wasteful number, since it uses less digits than its factorization.

78672952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265830 (or 265826 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 78672952 is about 8869.7774492938. Note that the first 3 decimals coincide. The cubic root of 78672952 is about 428.4911094773.

The spelling of 78672952 in words is "seventy-eight million, six hundred seventy-two thousand, nine hundred fifty-two".