61444760 has 32 divisors (see below), whose sum is σ = 148886640. Its totient is φ = 22687104.

The previous prime is 61444741. The next prime is 61444763. The reversal of 61444760 is 6744416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61444763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58562 + ... + 59601.

Almost surely, 2^61444760 is an apocalyptic number.

It is an amenable number.

61444760 is an abundant number, since it is smaller than the sum of its proper divisors (87441880).

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

61444760 is a wasteful number, since it uses less digits than its factorization.

61444760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118187 (or 118183 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 61444760 is about 7838.6708056915. The cubic root of 61444760 is about 394.6041218810.

The spelling of 61444760 in words is "sixty-one million, four hundred forty-four thousand, seven hundred sixty".