61417360 has 80 divisors (see below), whose sum is σ = 154275840. Its totient is φ = 22668800.

The previous prime is 61417357. The next prime is 61417397. The reversal of 61417360 is 6371416.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52785 + ... + 53935.

It is an arithmetic number, because the mean of its divisors is an integer number (1928448).

Almost surely, 2^61417360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61417360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77137920).

61417360 is an abundant number, since it is smaller than the sum of its proper divisors (92858480).

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

61417360 is a wasteful number, since it uses less digits than its factorization.

61417360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 61417360 is about 7836.9228655130. The cubic root of 61417360 is about 394.5454580205.

Adding to 61417360 its reverse (6371416), we get a palindrome (67788776).

The spelling of 61417360 in words is "sixty-one million, four hundred seventeen thousand, three hundred sixty".