61456634 has 8 divisors (see below), whose sum is σ = 92263188. Its totient is φ = 30702240.

The previous prime is 61456631. The next prime is 61456643. The reversal of 61456634 is 43665416.

It can be written as a sum of positive squares in 2 ways, for example, as 60450625 + 1006009 = 7775^2 + 1003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61456594 and 61456603.

It is not an unprimeable number, because it can be changed into a prime (61456631) 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, 9947 + ... + 14894.

Almost surely, 2^61456634 is an apocalyptic number.

61456634 is a deficient number, since it is larger than the sum of its proper divisors (30806554).

61456634 is a wasteful number, since it uses less digits than its factorization.

61456634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26080.

The product of its digits is 51840, while the sum is 35.

The square root of 61456634 is about 7839.4281679214. The cubic root of 61456634 is about 394.6295388981.

The spelling of 61456634 in words is "sixty-one million, four hundred fifty-six thousand, six hundred thirty-four".