1070685684 has 36 divisors (see below), whose sum is σ = 2799784260. Its totient is φ = 344588160.

The previous prime is 1070685677. The next prime is 1070685697. The reversal of 1070685684 is 4865860701.

It is a happy number.

1070685684 is a `hidden beast` number, since 10 + 70 + 6 + 8 + 568 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 393228900 + 677456784 = 19830^2 + 26028^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1070685684² = 2292735667845095712, 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 11 ways as a sum of consecutive naturals, for example, 511737 + ... + 513824.

It is an arithmetic number, because the mean of its divisors is an integer number (77771785).

Almost surely, 2^1070685684 is an apocalyptic number.

It is an amenable number.

1070685684 is an abundant number, since it is smaller than the sum of its proper divisors (1729098576).

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

1070685684 is a wasteful number, since it uses less digits than its factorization.

1070685684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025600 (or 1025595 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1070685684 is about 32721.3337747715. Note that the first 3 decimals coincide. The cubic root of 1070685684 is about 1023.0275560670.

The spelling of 1070685684 in words is "one billion, seventy million, six hundred eighty-five thousand, six hundred eighty-four".