61883090 has 32 divisors (see below), whose sum is σ = 113629824. Its totient is φ = 24261120.

The previous prime is 61883089. The next prime is 61883093. The reversal of 61883090 is 9038816.

It is a self number, because there is not a number n which added to its sum of digits gives 61883090.

It is not an unprimeable number, because it can be changed into a prime (61883093) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 126827 + ... + 127313.

It is an arithmetic number, because the mean of its divisors is an integer number (3550932).

Almost surely, 2^61883090 is an apocalyptic number.

61883090 is a deficient number, since it is larger than the sum of its proper divisors (51746734).

61883090 is a wasteful number, since it uses less digits than its factorization.

61883090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 61883090 is about 7866.5805786250. The cubic root of 61883090 is about 395.5402317996.

The spelling of 61883090 in words is "sixty-one million, eight hundred eighty-three thousand, ninety".