407421703 has 8 divisors (see below), whose sum is σ = 440648208. Its totient is φ = 374464704.

The previous prime is 407421683. The next prime is 407421737. The reversal of 407421703 is 307124704.

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

It is a cyclic number.

It is not a de Polignac number, because 407421703 - 2²⁵ = 373867271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407421743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64225 + ... + 70282.

It is an arithmetic number, because the mean of its divisors is an integer number (55081026).

Almost surely, 2^407421703 is an apocalyptic number.

407421703 is a deficient number, since it is larger than the sum of its proper divisors (33226505).

407421703 is a wasteful number, since it uses less digits than its factorization.

407421703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134753.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 407421703 is about 20184.6898167894. The cubic root of 407421703 is about 741.3353676041.

The spelling of 407421703 in words is "four hundred seven million, four hundred twenty-one thousand, seven hundred three".