207421413 has 8 divisors (see below), whose sum is σ = 277274400. Its totient is φ = 137924688.

The previous prime is 207421391. The next prime is 207421447. The reversal of 207421413 is 314124702.

It is a happy number.

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

It is not a de Polignac number, because 207421413 - 2⁵ = 207421381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207421453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87703 + ... + 90036.

It is an arithmetic number, because the mean of its divisors is an integer number (34659300).

Almost surely, 2^207421413 is an apocalyptic number.

It is an amenable number.

207421413 is a deficient number, since it is larger than the sum of its proper divisors (69852987).

207421413 is a wasteful number, since it uses less digits than its factorization.

207421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178131.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 207421413 is about 14402.1322379709. The cubic root of 207421413 is about 591.9493247422.

It can be divided in two parts, 20742 and 1413, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 207421413 in words is "two hundred seven million, four hundred twenty-one thousand, four hundred thirteen".