61833090 has 32 divisors (see below), whose sum is σ = 161891136. Its totient is φ = 14989760.

The previous prime is 61833089. The next prime is 61833113. The reversal of 61833090 is 9033816.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93357 + ... + 94016.

It is an arithmetic number, because the mean of its divisors is an integer number (5059098).

Almost surely, 2^61833090 is an apocalyptic number.

61833090 is an abundant number, since it is smaller than the sum of its proper divisors (100058046).

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

61833090 is a wasteful number, since it uses less digits than its factorization.

61833090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187394.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61833090 is about 7863.4019355493. The cubic root of 61833090 is about 395.4336742008.

The spelling of 61833090 in words is "sixty-one million, eight hundred thirty-three thousand, ninety".