61734224 has 20 divisors (see below), whose sum is σ = 119837940. Its totient is φ = 30808320.

The previous prime is 61734223. The next prime is 61734251. The reversal of 61734224 is 42243716.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 43824400 = 4232^2 + 6620^2 .

It is a super-2 number, since 2×61734224² = 7622228825764352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61734223) 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, 5714 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (5991897).

Almost surely, 2^61734224 is an apocalyptic number.

It is an amenable number.

61734224 is a deficient number, since it is larger than the sum of its proper divisors (58103716).

61734224 is a wasteful number, since it uses less digits than its factorization.

61734224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7358 (or 7352 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 61734224 is about 7857.1129557873. The cubic root of 61734224 is about 395.2228065209. Note that the first 3 decimals are identical.

The spelling of 61734224 in words is "sixty-one million, seven hundred thirty-four thousand, two hundred twenty-four".