61470224 has 10 divisors (see below), whose sum is σ = 119098590. Its totient is φ = 30735104.

The previous prime is 61470221. The next prime is 61470229. The reversal of 61470224 is 42207416.

61470224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 61465600 + 4624 = 7840^2 + 68^2 .

It is a super-3 number, since 3×61470224³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 61470193 and 61470202.

It is not an unprimeable number, because it can be changed into a prime (61470221) 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 as a sum of consecutive naturals, namely, 1920929 + ... + 1920960.

It is an arithmetic number, because the mean of its divisors is an integer number (11909859).

Almost surely, 2^61470224 is an apocalyptic number.

It is an amenable number.

61470224 is a deficient number, since it is larger than the sum of its proper divisors (57628366).

61470224 is a wasteful number, since it uses less digits than its factorization.

61470224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841897 (or 3841891 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 61470224 is about 7840.2948924132. The cubic root of 61470224 is about 394.6586250999.

The spelling of 61470224 in words is "sixty-one million, four hundred seventy thousand, two hundred twenty-four".