61383576 has 16 divisors (see below), whose sum is σ = 153459000. Its totient is φ = 20461184.

The previous prime is 61383529. The next prime is 61383599. The reversal of 61383576 is 67538316.

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, 1278801 + ... + 1278848.

Almost surely, 2^61383576 is an apocalyptic number.

It is an amenable number.

61383576 is an abundant number, since it is smaller than the sum of its proper divisors (92075424).

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

61383576 is a wasteful number, since it uses less digits than its factorization.

61383576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557658 (or 2557654 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 61383576 is about 7834.7671311916. The cubic root of 61383576 is about 394.4731018846.

The spelling of 61383576 in words is "sixty-one million, three hundred eighty-three thousand, five hundred seventy-six".