61377696 has 48 divisors (see below), whose sum is σ = 179020800. Its totient is φ = 20458944.

The previous prime is 61377683. The next prime is 61377713. The reversal of 61377696 is 69677316.

It is a tau number, because it is divible by the number of its divisors (48).

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, 34656 + ... + 36383.

It is an arithmetic number, because the mean of its divisors is an integer number (3729600).

Almost surely, 2^61377696 is an apocalyptic number.

It is an amenable number.

61377696 is an abundant number, since it is smaller than the sum of its proper divisors (117643104).

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

61377696 is a wasteful number, since it uses less digits than its factorization.

61377696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71058 (or 71044 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 61377696 is about 7834.3918717409. The cubic root of 61377696 is about 394.4605058122.

The spelling of 61377696 in words is "sixty-one million, three hundred seventy-seven thousand, six hundred ninety-six".