675710784 has 252 divisors, whose sum is σ = 2286800100. Its totient is φ = 190181376.

The previous prime is 675710773. The next prime is 675710803. The reversal of 675710784 is 487017576.

675710784 is a `hidden beast` number, since 6 + 7 + 571 + 0 + 78 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82301184 + 593409600 = 9072^2 + 24360^2 .

It is a tau number, because it is divible by the number of its divisors (252).

It is a super-2 number, since 2×675710784² = 913170127227789312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2511802 + ... + 2512070.

Almost surely, 2^675710784 is an apocalyptic number.

675710784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675710784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143400050).

675710784 is an abundant number, since it is smaller than the sum of its proper divisors (1611089316).

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

675710784 is a wasteful number, since it uses less digits than its factorization.

675710784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 675710784 is about 25994.4375588317. The cubic root of 675710784 is about 877.5131164183.

The spelling of 675710784 in words is "six hundred seventy-five million, seven hundred ten thousand, seven hundred eighty-four".