1057734009 has 12 divisors (see below), whose sum is σ = 1608250800. Its totient is φ = 668042424.

The previous prime is 1057733987. The next prime is 1057734049. The reversal of 1057734009 is 9004377501.

It is a happy number.

It is not a de Polignac number, because 1057734009 - 2⁵ = 1057733977 is a prime.

It is a super-2 number, since 2×1057734009² = 2237602467590424162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057734049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3092619 + ... + 3092960.

It is an arithmetic number, because the mean of its divisors is an integer number (134020900).

Almost surely, 2^1057734009 is an apocalyptic number.

1057734009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1057734009 is a deficient number, since it is larger than the sum of its proper divisors (550516791).

1057734009 is a wasteful number, since it uses less digits than its factorization.

1057734009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185604 (or 6185601 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 1057734009 is about 32522.8228940847. The cubic root of 1057734009 is about 1018.8857526750.

The spelling of 1057734009 in words is "one billion, fifty-seven million, seven hundred thirty-four thousand, nine".