1073709057 has 8 divisors (see below), whose sum is σ = 1506960160. Its totient is φ = 678132000.

The previous prime is 1073709053. The next prime is 1073709061. The reversal of 1073709057 is 7509073701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1073709053) and next prime (1073709061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1073709057 - 2² = 1073709053 is a prime.

It is a super-2 number, since 2×1073709057² = 2305702278167658498, which contains 22 as substring.

It is the 32768-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073709053) by changing a digit.

It is a nontrivial repunit in base 32767.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9418444 + ... + 9418557.

It is an arithmetic number, because the mean of its divisors is an integer number (188370020).

It is a Proth number, since it is equal to 32767 ⋅ 2¹⁵ + 1 and 32767 < 2¹⁵.

Almost surely, 2^1073709057 is an apocalyptic number.

It is an amenable number.

1073709057 is a deficient number, since it is larger than the sum of its proper divisors (433251103).

1073709057 is a wasteful number, since it uses less digits than its factorization.

1073709057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837023.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 1073709057 is about 32767.5000114443. The cubic root of 1073709057 is about 1023.9895835453.

The spelling of 1073709057 in words is "one billion, seventy-three million, seven hundred nine thousand, fifty-seven".