207030649 has 8 divisors (see below), whose sum is σ = 237809088. Its totient is φ = 176552880.

The previous prime is 207030647. The next prime is 207030661. The reversal of 207030649 is 946030702.

207030649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 207030649 - 2¹ = 207030647 is a prime.

It is a super-2 number, since 2×207030649² = 85723379250722402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 207030649.

It is not an unprimeable number, because it can be changed into a prime (207030647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73687 + ... + 76444.

It is an arithmetic number, because the mean of its divisors is an integer number (29726136).

Almost surely, 2^207030649 is an apocalyptic number.

It is an amenable number.

207030649 is a deficient number, since it is larger than the sum of its proper divisors (30778439).

207030649 is a wasteful number, since it uses less digits than its factorization.

207030649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150335.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 207030649 is about 14388.5596568941. The cubic root of 207030649 is about 591.5773639558.

The spelling of 207030649 in words is "two hundred seven million, thirty thousand, six hundred forty-nine".