205472370 has 64 divisors (see below), whose sum is σ = 529390080. Its totient is φ = 50853888.

The previous prime is 205472369. The next prime is 205472383. The reversal of 205472370 is 73274502.

205472370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34471 + ... + 39989.

It is an arithmetic number, because the mean of its divisors is an integer number (8271720).

Almost surely, 2^205472370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205472370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264695040).

205472370 is an abundant number, since it is smaller than the sum of its proper divisors (323917710).

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

205472370 is a wasteful number, since it uses less digits than its factorization.

205472370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 205472370 is about 14334.3074475190. The cubic root of 205472370 is about 590.0893956279.

The spelling of 205472370 in words is "two hundred five million, four hundred seventy-two thousand, three hundred seventy".