206572072 has 16 divisors (see below), whose sum is σ = 442654560. Its totient is φ = 88530864.

The previous prime is 206572057. The next prime is 206572087. The reversal of 206572072 is 270275602.

It is an interprime number because it is at equal distance from previous prime (206572057) and next prime (206572087).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844338 + ... + 1844449.

It is an arithmetic number, because the mean of its divisors is an integer number (27665910).

Almost surely, 2^206572072 is an apocalyptic number.

It is an amenable number.

206572072 is an abundant number, since it is smaller than the sum of its proper divisors (236082488).

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

206572072 is a wasteful number, since it uses less digits than its factorization.

206572072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688800 (or 3688796 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 206572072 is about 14372.6153500329. The cubic root of 206572072 is about 591.1402558583.

The spelling of 206572072 in words is "two hundred six million, five hundred seventy-two thousand, seventy-two".