61436430 has 48 divisors (see below), whose sum is σ = 174258864. Its totient is φ = 14893440.

The previous prime is 61436423. The next prime is 61436449. The reversal of 61436430 is 3463416.

61436430 is a `hidden beast` number, since 6 + 14 + 3 + 643 + 0 = 666.

61436430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61436430² = 7548869862289800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61436394 and 61436403.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 30039 + ... + 32018.

It is an arithmetic number, because the mean of its divisors is an integer number (3630393).

Almost surely, 2^61436430 is an apocalyptic number.

61436430 is an abundant number, since it is smaller than the sum of its proper divisors (112822434).

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

61436430 is a wasteful number, since it uses less digits than its factorization.

61436430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62081 (or 62078 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 61436430 is about 7838.1394475985. The cubic root of 61436430 is about 394.5862890564.

Adding to 61436430 its reverse (3463416), we get a palindrome (64899846).

The spelling of 61436430 in words is "sixty-one million, four hundred thirty-six thousand, four hundred thirty".