61029600 has 144 divisors (see below), whose sum is σ = 202487040. Its totient is φ = 15961600.

The previous prime is 61029593. The next prime is 61029611. The reversal of 61029600 is 692016.

61029600 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 2×61029600² = 7449224152320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 23 ways as a sum of consecutive naturals, for example, 141385 + ... + 141815.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^61029600 is an apocalyptic number.

61029600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61029600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101243520).

61029600 is an abundant number, since it is smaller than the sum of its proper divisors (141457440).

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

61029600 is a wasteful number, since it uses less digits than its factorization.

61029600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 61029600 is about 7812.1443919067. The cubic root of 61029600 is about 393.7133803182.

The spelling of 61029600 in words is "sixty-one million, twenty-nine thousand, six hundred".