703916421 has 16 divisors (see below), whose sum is σ = 1016346240. Its totient is φ = 430781760.

The previous prime is 703916417. The next prime is 703916429. The reversal of 703916421 is 124619307.

It is not a de Polignac number, because 703916421 - 2² = 703916417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (703916429) 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, 42801 + ... + 56918.

It is an arithmetic number, because the mean of its divisors is an integer number (63521640).

Almost surely, 2^703916421 is an apocalyptic number.

It is an amenable number.

703916421 is a deficient number, since it is larger than the sum of its proper divisors (312429819).

703916421 is a wasteful number, since it uses less digits than its factorization.

703916421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99916.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 703916421 is about 26531.4232750525. The cubic root of 703916421 is about 889.5568306618.

The spelling of 703916421 in words is "seven hundred three million, nine hundred sixteen thousand, four hundred twenty-one".