61465716 has 60 divisors (see below), whose sum is σ = 173055652. Its totient is φ = 18911232.

The previous prime is 61465711. The next prime is 61465717. The reversal of 61465716 is 61756416.

It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 54464400 = 2646^2 + 7380^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61465711) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3085 + ... + 11508.

Almost surely, 2^61465716 is an apocalyptic number.

It is an amenable number.

61465716 is an abundant number, since it is smaller than the sum of its proper divisors (111589936).

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

61465716 is a wasteful number, since it uses less digits than its factorization.

61465716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14622 (or 14611 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 61465716 is about 7840.0073979557. The cubic root of 61465716 is about 394.6489772604.

The spelling of 61465716 in words is "sixty-one million, four hundred sixty-five thousand, seven hundred sixteen".