61368630 has 32 divisors (see below), whose sum is σ = 148284000. Its totient is φ = 16253952.

The previous prime is 61368569. The next prime is 61368661. The reversal of 61368630 is 3686316.

61368630 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 2×61368630² = 7532217496153800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61368591 and 61368600.

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 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (4633875).

Almost surely, 2^61368630 is an apocalyptic number.

61368630 is an abundant number, since it is smaller than the sum of its proper divisors (86915370).

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

61368630 is a wasteful number, since it uses less digits than its factorization.

61368630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61368630 is about 7833.8132477102. The cubic root of 61368630 is about 394.4410831486.

The spelling of 61368630 in words is "sixty-one million, three hundred sixty-eight thousand, six hundred thirty".