61383748 has 12 divisors (see below), whose sum is σ = 107534700. Its totient is φ = 30659552.

The previous prime is 61383733. The next prime is 61383761. The reversal of 61383748 is 84738316.

It can be written as a sum of positive squares in 2 ways, for example, as 15116544 + 46267204 = 3888^2 + 6802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61383748.

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, 3523 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (8961225).

Almost surely, 2^61383748 is an apocalyptic number.

It is an amenable number.

61383748 is a deficient number, since it is larger than the sum of its proper divisors (46150952).

61383748 is a wasteful number, since it uses less digits than its factorization.

61383748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166 (or 16164 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 61383748 is about 7834.7781078981. The cubic root of 61383748 is about 394.4734703291.

The spelling of 61383748 in words is "sixty-one million, three hundred eighty-three thousand, seven hundred forty-eight".