61029330 has 32 divisors (see below), whose sum is σ = 154180800. Its totient is φ = 15417792.

The previous prime is 61029329. The next prime is 61029343. The reversal of 61029330 is 3392016.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61029330.

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, 52965 + ... + 54104.

It is an arithmetic number, because the mean of its divisors is an integer number (4818150).

Almost surely, 2^61029330 is an apocalyptic number.

61029330 is an abundant number, since it is smaller than the sum of its proper divisors (93151470).

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

61029330 is a wasteful number, since it uses less digits than its factorization.

61029330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107098.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 61029330 is about 7812.1271111010. The cubic root of 61029330 is about 393.7127997105.

The spelling of 61029330 in words is "sixty-one million, twenty-nine thousand, three hundred thirty".