61099030 has 8 divisors (see below), whose sum is σ = 109978272. Its totient is φ = 24439608.

The previous prime is 61099021. The next prime is 61099091. The reversal of 61099030 is 3099016.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61099030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3054942 + ... + 3054961.

It is an arithmetic number, because the mean of its divisors is an integer number (13747284).

Almost surely, 2^61099030 is an apocalyptic number.

61099030 is a deficient number, since it is larger than the sum of its proper divisors (48879242).

61099030 is a wasteful number, since it uses less digits than its factorization.

61099030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109910.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 61099030 is about 7816.5868510495. The cubic root of 61099030 is about 393.8626257145.

The spelling of 61099030 in words is "sixty-one million, ninety-nine thousand, thirty".