61806752 has 24 divisors (see below), whose sum is σ = 139065696. Its totient is φ = 26488512.

The previous prime is 61806737. The next prime is 61806757. The reversal of 61806752 is 25760816.

It is not an unprimeable number, because it can be changed into a prime (61806757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137738 + ... + 138185.

It is an arithmetic number, because the mean of its divisors is an integer number (5794404).

Almost surely, 2^61806752 is an apocalyptic number.

It is an amenable number.

61806752 is an abundant number, since it is smaller than the sum of its proper divisors (77258944).

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

61806752 is a wasteful number, since it uses less digits than its factorization.

61806752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275940 (or 275932 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 61806752 is about 7861.7270367267. The cubic root of 61806752 is about 395.3775208197.

The spelling of 61806752 in words is "sixty-one million, eight hundred six thousand, seven hundred fifty-two".