61504716 has 96 divisors (see below), whose sum is σ = 178275328. Its totient is φ = 16070400.

The previous prime is 61504697. The next prime is 61504733. The reversal of 61504716 is 61740516.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164706 + ... + 165078.

Almost surely, 2^61504716 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 61504716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89137664).

61504716 is an abundant number, since it is smaller than the sum of its proper divisors (116770612).

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

61504716 is a wasteful number, since it uses less digits than its factorization.

61504716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 61504716 is about 7842.4942460929. The cubic root of 61504716 is about 394.7324278786.

The spelling of 61504716 in words is "sixty-one million, five hundred four thousand, seven hundred sixteen".