61370064 has 120 divisors (see below), whose sum is σ = 198469440. Its totient is φ = 17339904.

The previous prime is 61370053. The next prime is 61370069. The reversal of 61370064 is 46007316.

61370064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61370069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107572 + ... + 108140.

It is an arithmetic number, because the mean of its divisors is an integer number (1653912).

Almost surely, 2^61370064 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 61370064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234720).

61370064 is an abundant number, since it is smaller than the sum of its proper divisors (137099376).

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

61370064 is a wasteful number, since it uses less digits than its factorization.

61370064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61370064 is about 7833.9047734830. The cubic root of 61370064 is about 394.4441554246. Note that the first 3 decimals are identical.

The spelling of 61370064 in words is "sixty-one million, three hundred seventy thousand, sixty-four".