78032472 has 32 divisors (see below), whose sum is σ = 222950400. Its totient is φ = 22294944.

The previous prime is 78032467. The next prime is 78032509. The reversal of 78032472 is 27423087.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232072 + ... + 232407.

It is an arithmetic number, because the mean of its divisors is an integer number (6967200).

Almost surely, 2^78032472 is an apocalyptic number.

It is an amenable number.

78032472 is an abundant number, since it is smaller than the sum of its proper divisors (144917928).

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

78032472 is a wasteful number, since it uses less digits than its factorization.

78032472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464495 (or 464491 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 78032472 is about 8833.5990400289. The cubic root of 78032472 is about 427.3251512997.

The spelling of 78032472 in words is "seventy-eight million, thirty-two thousand, four hundred seventy-two".