210745072 has 10 divisors (see below), whose sum is σ = 408318608. Its totient is φ = 105372528.

The previous prime is 210745063. The next prime is 210745097. The reversal of 210745072 is 270547012.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 210745072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585768 + ... + 6585799.

Almost surely, 2^210745072 is an apocalyptic number.

It is an amenable number.

210745072 is a deficient number, since it is larger than the sum of its proper divisors (197573536).

210745072 is a wasteful number, since it uses less digits than its factorization.

210745072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13171575 (or 13171569 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 210745072 is about 14517.0614106299. The cubic root of 210745072 is about 595.0943258408.

The spelling of 210745072 in words is "two hundred ten million, seven hundred forty-five thousand, seventy-two".