61342630 has 32 divisors (see below), whose sum is σ = 118537344. Its totient is φ = 22772736.

The previous prime is 61342597. The next prime is 61342649. The reversal of 61342630 is 3624316.

It is a junction number, because it is equal to n+sod(n) for n = 61342595 and 61342604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9939 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (3704292).

Almost surely, 2^61342630 is an apocalyptic number.

61342630 is a deficient number, since it is larger than the sum of its proper divisors (57194714).

61342630 is a wasteful number, since it uses less digits than its factorization.

61342630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 61342630 is about 7832.1535991067. The cubic root of 61342630 is about 394.3853710971.

Adding to 61342630 its reverse (3624316), we get a palindrome (64966946).

The spelling of 61342630 in words is "sixty-one million, three hundred forty-two thousand, six hundred thirty".