1057668724 has 36 divisors (see below), whose sum is σ = 2155174560. Its totient is φ = 452852400.

The previous prime is 1057668713. The next prime is 1057668727. The reversal of 1057668724 is 4278667501.

It is a happy number.

It is a super-2 number, since 2×1057668724² = 2237326259455576352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057668727) 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, 282537 + ... + 286255.

It is an arithmetic number, because the mean of its divisors is an integer number (59865960).

Almost surely, 2^1057668724 is an apocalyptic number.

1057668724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1057668724 is an abundant number, since it is smaller than the sum of its proper divisors (1097505836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057668724 is a wasteful number, since it uses less digits than its factorization.

1057668724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188 (or 5179 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 1057668724 is about 32521.8191988087. The cubic root of 1057668724 is about 1018.8647898355.

The spelling of 1057668724 in words is "one billion, fifty-seven million, six hundred sixty-eight thousand, seven hundred twenty-four".