705400028 has 12 divisors (see below), whose sum is σ = 1234769592. Its totient is φ = 352608720.

The previous prime is 705400019. The next prime is 705400043. The reversal of 705400028 is 820004507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650 + ... + 37737.

It is an arithmetic number, because the mean of its divisors is an integer number (102897466).

Almost surely, 2^705400028 is an apocalyptic number.

It is an amenable number.

705400028 is a deficient number, since it is larger than the sum of its proper divisors (529369564).

705400028 is a wasteful number, since it uses less digits than its factorization.

705400028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45652 (or 45650 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 705400028 is about 26559.3679894684. The cubic root of 705400028 is about 890.1813492338.

The spelling of 705400028 in words is "seven hundred five million, four hundred thousand, twenty-eight".