78575046 has 32 divisors (see below), whose sum is σ = 172551168. Its totient is φ = 23655840.

The previous prime is 78575041. The next prime is 78575047. The reversal of 78575046 is 64057587.

It is a junction number, because it is equal to n+sod(n) for n = 78574989 and 78575007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78575041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6571 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (5392224).

Almost surely, 2^78575046 is an apocalyptic number.

78575046 is an abundant number, since it is smaller than the sum of its proper divisors (93976122).

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

78575046 is a wasteful number, since it uses less digits than its factorization.

78575046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 78575046 is about 8864.2566524216. The cubic root of 78575046 is about 428.3132878155.

The spelling of 78575046 in words is "seventy-eight million, five hundred seventy-five thousand, forty-six".