61578096 has 20 divisors (see below), whose sum is σ = 159076872. Its totient is φ = 20526016.

The previous prime is 61578089. The next prime is 61578113. The reversal of 61578096 is 69087516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641391 + ... + 641486.

Almost surely, 2^61578096 is an apocalyptic number.

It is an amenable number.

61578096 is an abundant number, since it is smaller than the sum of its proper divisors (97498776).

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

61578096 is a wasteful number, since it uses less digits than its factorization.

61578096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282888 (or 1282882 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 61578096 is about 7847.1712100603. The cubic root of 61578096 is about 394.8893478445.

The spelling of 61578096 in words is "sixty-one million, five hundred seventy-eight thousand, ninety-six".