1074693987 has 24 divisors (see below), whose sum is σ = 1614097840. Its totient is φ = 715440600.

The previous prime is 1074693937. The next prime is 1074693989. The reversal of 1074693987 is 7893964701.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1074693987 - 2¹¹ = 1074691939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074693989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1532737 + ... + 1533437.

Almost surely, 2^1074693987 is an apocalyptic number.

1074693987 is a deficient number, since it is larger than the sum of its proper divisors (539403853).

1074693987 is an frugal number, since it uses more digits than its factorization.

1074693987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1074693987 is about 32782.5256348561. The cubic root of 1074693987 is about 1024.3025950395.

The spelling of 1074693987 in words is "one billion, seventy-four million, six hundred ninety-three thousand, nine hundred eighty-seven".