61932560 has 80 divisors (see below), whose sum is σ = 152240256. Its totient is φ = 23384064.

The previous prime is 61932557. The next prime is 61932613. The reversal of 61932560 is 6523916.

It is a happy number.

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, 178307 + ... + 178653.

Almost surely, 2^61932560 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 61932560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76120128).

61932560 is an abundant number, since it is smaller than the sum of its proper divisors (90307696).

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

61932560 is a wasteful number, since it uses less digits than its factorization.

61932560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 61932560 is about 7869.7242645470. The cubic root of 61932560 is about 395.6456034149.

The spelling of 61932560 in words is "sixty-one million, nine hundred thirty-two thousand, five hundred sixty".