78032536 has 16 divisors (see below), whose sum is σ = 149072400. Its totient is φ = 38279904.

The previous prime is 78032531. The next prime is 78032543. The reversal of 78032536 is 63523087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78032531) 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, 91596 + ... + 92443.

It is an arithmetic number, because the mean of its divisors is an integer number (9317025).

Almost surely, 2^78032536 is an apocalyptic number.

It is an amenable number.

78032536 is a deficient number, since it is larger than the sum of its proper divisors (71039864).

78032536 is a wasteful number, since it uses less digits than its factorization.

78032536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184098 (or 184094 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 78032536 is about 8833.6026625607. The cubic root of 78032536 is about 427.3252681263.

The spelling of 78032536 in words is "seventy-eight million, thirty-two thousand, five hundred thirty-six".