61514424 has 128 divisors (see below), whose sum is σ = 180576000. Its totient is φ = 19377792.

The previous prime is 61514359. The next prime is 61514429. The reversal of 61514424 is 42441516.

61514424 is a `hidden beast` number, since 615 + 1 + 4 + 42 + 4 = 666.

61514424 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61514429) 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 31 ways as a sum of consecutive naturals, for example, 343567 + ... + 343745.

It is an arithmetic number, because the mean of its divisors is an integer number (1410750).

Almost surely, 2^61514424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61514424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90288000).

61514424 is an abundant number, since it is smaller than the sum of its proper divisors (119061576).

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

61514424 is a wasteful number, since it uses less digits than its factorization.

61514424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 61514424 is about 7843.1131574140. The cubic root of 61514424 is about 394.7531951794.

The spelling of 61514424 in words is "sixty-one million, five hundred fourteen thousand, four hundred twenty-four".