61093220 has 24 divisors (see below), whose sum is σ = 129044664. Its totient is φ = 24294656.

The previous prime is 61093217. The next prime is 61093231. The reversal of 61093220 is 2239016.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 54081316 = 2648^2 + 7354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5369 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (5376861).

Almost surely, 2^61093220 is an apocalyptic number.

It is an amenable number.

61093220 is an abundant number, since it is smaller than the sum of its proper divisors (67951444).

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

61093220 is a wasteful number, since it uses less digits than its factorization.

61093220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17839 (or 17837 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 61093220 is about 7816.2151966281. The cubic root of 61093220 is about 393.8501409861.

The spelling of 61093220 in words is "sixty-one million, ninety-three thousand, two hundred twenty".