1073940857 has 16 divisors (see below), whose sum is σ = 1239736320. Its totient is φ = 920048400.

The previous prime is 1073940853. The next prime is 1073940869. The reversal of 1073940857 is 7580493701.

It is not a de Polignac number, because 1073940857 - 2² = 1073940853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1073940853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26468 + ... + 53370.

It is an arithmetic number, because the mean of its divisors is an integer number (77483520).

Almost surely, 2^1073940857 is an apocalyptic number.

It is an amenable number.

1073940857 is a deficient number, since it is larger than the sum of its proper divisors (165795463).

1073940857 is a wasteful number, since it uses less digits than its factorization.

1073940857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27124.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 1073940857 is about 32771.0368618388. The cubic root of 1073940857 is about 1024.0632669778.

The spelling of 1073940857 in words is "one billion, seventy-three million, nine hundred forty thousand, eight hundred fifty-seven".