213667707 has 16 divisors (see below), whose sum is σ = 311051520. Its totient is φ = 129386400.

The previous prime is 213667691. The next prime is 213667759. The reversal of 213667707 is 707766312.

It is not a de Polignac number, because 213667707 - 2⁴ = 213667691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213667777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55594 + ... + 59312.

It is an arithmetic number, because the mean of its divisors is an integer number (19440720).

Almost surely, 2^213667707 is an apocalyptic number.

213667707 is a deficient number, since it is larger than the sum of its proper divisors (97383813).

213667707 is a wasteful number, since it uses less digits than its factorization.

213667707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 213667707 is about 14617.3768850639. The cubic root of 213667707 is about 597.8326498602.

The spelling of 213667707 in words is "two hundred thirteen million, six hundred sixty-seven thousand, seven hundred seven".