61307376 has 80 divisors (see below), whose sum is σ = 179571840. Its totient is φ = 17867520.

The previous prime is 61307353. The next prime is 61307381. The reversal of 61307376 is 67370316.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 9271 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (2244648).

Almost surely, 2^61307376 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 61307376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89785920).

61307376 is an abundant number, since it is smaller than the sum of its proper divisors (118264464).

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

61307376 is a wasteful number, since it uses less digits than its factorization.

61307376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 61307376 is about 7829.9026813876. The cubic root of 61307376 is about 394.3098046912.

The spelling of 61307376 in words is "sixty-one million, three hundred seven thousand, three hundred seventy-six".