61430430 has 32 divisors (see below), whose sum is σ = 147806208. Its totient is φ = 16340000.

The previous prime is 61430429. The next prime is 61430441. The reversal of 61430430 is 3403416.

It is a junction number, because it is equal to n+sod(n) for n = 61430397 and 61430406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10555 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (4618944).

Almost surely, 2^61430430 is an apocalyptic number.

61430430 is an abundant number, since it is smaller than the sum of its proper divisors (86375778).

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

61430430 is a wasteful number, since it uses less digits than its factorization.

61430430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 61430430 is about 7837.7566943610. The cubic root of 61430430 is about 394.5734432860.

Adding to 61430430 its reverse (3403416), we get a palindrome (64833846).

The spelling of 61430430 in words is "sixty-one million, four hundred thirty thousand, four hundred thirty".