61612752 has 40 divisors (see below), whose sum is σ = 159454080. Its totient is φ = 20500480.

The previous prime is 61612729. The next prime is 61612753. The reversal of 61612752 is 25721616.

It is a super-2 number, since 2×61612752² = 7592262418027008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61612753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43024 + ... + 44432.

It is an arithmetic number, because the mean of its divisors is an integer number (3986352).

Almost surely, 2^61612752 is an apocalyptic number.

It is an amenable number.

61612752 is an abundant number, since it is smaller than the sum of its proper divisors (97841328).

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

61612752 is a wasteful number, since it uses less digits than its factorization.

61612752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331 (or 2325 counting only the distinct ones).

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

The square root of 61612752 is about 7849.3790837238. The cubic root of 61612752 is about 394.9634148672.

The spelling of 61612752 in words is "sixty-one million, six hundred twelve thousand, seven hundred fifty-two".