61449632 has 24 divisors (see below), whose sum is σ = 121256352. Its totient is φ = 30654400.

The previous prime is 61449607. The next prime is 61449649. The reversal of 61449632 is 23694416.

It is a junction number, because it is equal to n+sod(n) for n = 61449592 and 61449601.

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, 13757 + ... + 17667.

It is an arithmetic number, because the mean of its divisors is an integer number (5052348).

Almost surely, 2^61449632 is an apocalyptic number.

It is an amenable number.

61449632 is a deficient number, since it is larger than the sum of its proper divisors (59806720).

61449632 is a wasteful number, since it uses less digits than its factorization.

61449632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412 (or 4404 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 61449632 is about 7838.9815665047. The cubic root of 61449632 is about 394.6145510886.

The spelling of 61449632 in words is "sixty-one million, four hundred forty-nine thousand, six hundred thirty-two".