61921926 has 24 divisors (see below), whose sum is σ = 146361384. Its totient is φ = 18764160.

The previous prime is 61921913. The next prime is 61921949. The reversal of 61921926 is 62912916.

61921926 is a `hidden beast` number, since 619 + 2 + 19 + 26 = 666.

61921926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 156171 + ... + 156566.

It is an arithmetic number, because the mean of its divisors is an integer number (6098391).

Almost surely, 2^61921926 is an apocalyptic number.

61921926 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61921926 is an abundant number, since it is smaller than the sum of its proper divisors (84439458).

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

61921926 is a wasteful number, since it uses less digits than its factorization.

61921926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312756 (or 312753 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 61921926 is about 7869.0486083135. The cubic root of 61921926 is about 395.6229576199.

It can be divided in two parts, 6192 and 1926, that added together give a palindrome (8118).

The spelling of 61921926 in words is "sixty-one million, nine hundred twenty-one thousand, nine hundred twenty-six".