1074074857 has 4 divisors (see below), whose sum is σ = 1074145876. Its totient is φ = 1074003840.

The previous prime is 1074074851. The next prime is 1074074867. The reversal of 1074074857 is 7584704701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7584704701 = 7 ⋅1083529243.

It can be written as a sum of positive squares in 2 ways, for example, as 60543961 + 1013530896 = 7781^2 + 31836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074074857 - 2³ = 1074074849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074074851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748 + ... + 46429.

It is an arithmetic number, because the mean of its divisors is an integer number (268536469).

Almost surely, 2^1074074857 is an apocalyptic number.

It is an amenable number.

1074074857 is a deficient number, since it is larger than the sum of its proper divisors (71019).

1074074857 is an equidigital number, since it uses as much as digits as its factorization.

1074074857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71018.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 1074074857 is about 32773.0812863240. The cubic root of 1074074857 is about 1024.1058573960.

The spelling of 1074074857 in words is "one billion, seventy-four million, seventy-four thousand, eight hundred fifty-seven".