705477270021 has 48 divisors (see below), whose sum is σ = 980238758400. Its totient is φ = 451284553440.

The previous prime is 705477270019. The next prime is 705477270023. The reversal of 705477270021 is 120072774507.

It is an interprime number because it is at equal distance from previous prime (705477270019) and next prime (705477270023).

It is not a de Polignac number, because 705477270021 - 2¹ = 705477270019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705477270023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195583800 + ... + 195587406.

It is an arithmetic number, because the mean of its divisors is an integer number (20421640800).

Almost surely, 2^705477270021 is an apocalyptic number.

It is an amenable number.

705477270021 is a deficient number, since it is larger than the sum of its proper divisors (274761488379).

705477270021 is a wasteful number, since it uses less digits than its factorization.

705477270021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The spelling of 705477270021 in words is "seven hundred five billion, four hundred seventy-seven million, two hundred seventy thousand, twenty-one".