61433000 has 64 divisors (see below), whose sum is σ = 150059520. Its totient is φ = 23496000.

The previous prime is 61432997. The next prime is 61433083. The reversal of 61433000 is 33416.

It is a self number, because there is not a number n which added to its sum of digits gives 61433000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21665 + ... + 24335.

It is an arithmetic number, because the mean of its divisors is an integer number (2344680).

Almost surely, 2^61433000 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 61433000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75029760).

61433000 is an abundant number, since it is smaller than the sum of its proper divisors (88626520).

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

61433000 is a wasteful number, since it uses less digits than its factorization.

61433000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 61433000 is about 7837.9206426194. The cubic root of 61433000 is about 394.5789456601.

Adding to 61433000 its reverse (33416), we get a palindrome (61466416).

The spelling of 61433000 in words is "sixty-one million, four hundred thirty-three thousand".