61360720 has 40 divisors (see below), whose sum is σ = 142999776. Its totient is φ = 24486528.

The previous prime is 61360703. The next prime is 61360721. The reversal of 61360720 is 2706316.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61360721) 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, 54079 + ... + 55201.

Almost surely, 2^61360720 is an apocalyptic number.

It is an amenable number.

61360720 is an abundant number, since it is smaller than the sum of its proper divisors (81639056).

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

61360720 is a wasteful number, since it uses less digits than its factorization.

61360720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61360720 is about 7833.3083687545. The cubic root of 61360720 is about 394.4241354940.

The spelling of 61360720 in words is "sixty-one million, three hundred sixty thousand, seven hundred twenty".