705450078 has 24 divisors (see below), whose sum is σ = 1532746800. Its totient is φ = 234492864.

The previous prime is 705450061. The next prime is 705450101. The reversal of 705450078 is 870054507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48123 + ... + 61046.

It is an arithmetic number, because the mean of its divisors is an integer number (63864450).

Almost surely, 2^705450078 is an apocalyptic number.

705450078 is an abundant number, since it is smaller than the sum of its proper divisors (827296722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705450078 is a wasteful number, since it uses less digits than its factorization.

705450078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109536 (or 109533 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 705450078 is about 26560.3102015018. The cubic root of 705450078 is about 890.2024023106.

The spelling of 705450078 in words is "seven hundred five million, four hundred fifty thousand, seventy-eight".