210742572007 has 4 divisors (see below), whose sum is σ = 229900987656. Its totient is φ = 191584156360.

The previous prime is 210742571999. The next prime is 210742572083. The reversal of 210742572007 is 700275247012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210742572007 - 2³ = 210742571999 is a prime.

It is a super-2 number, since 2×210742572007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210742572907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9579207808 + ... + 9579207829.

It is an arithmetic number, because the mean of its divisors is an integer number (57475246914).

Almost surely, 2^210742572007 is an apocalyptic number.

210742572007 is a deficient number, since it is larger than the sum of its proper divisors (19158415649).

210742572007 is a wasteful number, since it uses less digits than its factorization.

210742572007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19158415648.

The product of its (nonzero) digits is 54880, while the sum is 37.

The spelling of 210742572007 in words is "two hundred ten billion, seven hundred forty-two million, five hundred seventy-two thousand, seven".