78049560 has 32 divisors (see below), whose sum is σ = 234149040. Its totient is φ = 20813184.

The previous prime is 78049547. The next prime is 78049577. The reversal of 78049560 is 6594087.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325087 + ... + 325326.

Almost surely, 2^78049560 is an apocalyptic number.

It is an amenable number.

78049560 is an abundant number, since it is smaller than the sum of its proper divisors (156099480).

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

78049560 is a wasteful number, since it uses less digits than its factorization.

78049560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650427 (or 650423 counting only the distinct ones).

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

The square root of 78049560 is about 8834.5662032722. The cubic root of 78049560 is about 427.3563417304.

The spelling of 78049560 in words is "seventy-eight million, forty-nine thousand, five hundred sixty".