61380924 has 24 divisors (see below), whose sum is σ = 156242688. Its totient is φ = 18600240.

The previous prime is 61380923. The next prime is 61380937. The reversal of 61380924 is 42908316.

61380924 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 (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61380923) 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 7 ways as a sum of consecutive naturals, for example, 232372 + ... + 232635.

It is an arithmetic number, because the mean of its divisors is an integer number (6510112).

Almost surely, 2^61380924 is an apocalyptic number.

It is an amenable number.

61380924 is an abundant number, since it is smaller than the sum of its proper divisors (94861764).

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

61380924 is a wasteful number, since it uses less digits than its factorization.

61380924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465025 (or 465023 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 61380924 is about 7834.5978837462. The cubic root of 61380924 is about 394.4674208985.

The spelling of 61380924 in words is "sixty-one million, three hundred eighty thousand, nine hundred twenty-four".