100693207 has 4 divisors (see below), whose sum is σ = 102072640. Its totient is φ = 99313776.

The previous prime is 100693111. The next prime is 100693247. The reversal of 100693207 is 702396001.

100693207 = 244² + 245² + ... + 681².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702396001 = 211 ⋅3328891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100693207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100693247) 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, 689607 + ... + 689752.

It is an arithmetic number, because the mean of its divisors is an integer number (25518160).

Almost surely, 2^100693207 is an apocalyptic number.

100693207 is a deficient number, since it is larger than the sum of its proper divisors (1379433).

100693207 is an equidigital number, since it uses as much as digits as its factorization.

100693207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379432.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 100693207 is about 10034.6004903035. The cubic root of 100693207 is about 465.2289418737.

The spelling of 100693207 in words is "one hundred million, six hundred ninety-three thousand, two hundred seven".