61954630 has 32 divisors (see below), whose sum is σ = 124299360. Its totient is φ = 22095360.

The previous prime is 61954609. The next prime is 61954637. The reversal of 61954630 is 3645916.

61954630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61954637) by changing a digit.

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, 6361 + ... + 12820.

It is an arithmetic number, because the mean of its divisors is an integer number (3884355).

Almost surely, 2^61954630 is an apocalyptic number.

61954630 is an abundant number, since it is smaller than the sum of its proper divisors (62344730).

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

61954630 is a wasteful number, since it uses less digits than its factorization.

61954630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19224.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 61954630 is about 7871.1263488779. The cubic root of 61954630 is about 395.6925946446.

The spelling of 61954630 in words is "sixty-one million, nine hundred fifty-four thousand, six hundred thirty".