107640421 has 8 divisors (see below), whose sum is σ = 123091520. Its totient is φ = 92207808.

The previous prime is 107640419. The next prime is 107640433. The reversal of 107640421 is 124046701.

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

It is not a de Polignac number, because 107640421 - 2¹ = 107640419 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 (107640451) 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, 11725 + ... + 18781.

It is an arithmetic number, because the mean of its divisors is an integer number (15386440).

Almost surely, 2^107640421 is an apocalyptic number.

It is an amenable number.

107640421 is a deficient number, since it is larger than the sum of its proper divisors (15451099).

107640421 is an equidigital number, since it uses as much as digits as its factorization.

107640421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 107640421 is about 10374.9901686700. The cubic root of 107640421 is about 475.6912130595.

The spelling of 107640421 in words is "one hundred seven million, six hundred forty thousand, four hundred twenty-one".