1057657634 has 8 divisors (see below), whose sum is σ = 1730712528. Its totient is φ = 480753460.

The previous prime is 1057657547. The next prime is 1057657681. The reversal of 1057657634 is 4367567501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1057657634² = 2237279341516955912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24037652 + ... + 24037695.

It is an arithmetic number, because the mean of its divisors is an integer number (216339066).

Almost surely, 2^1057657634 is an apocalyptic number.

1057657634 is a deficient number, since it is larger than the sum of its proper divisors (673054894).

1057657634 is a wasteful number, since it uses less digits than its factorization.

1057657634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48075360.

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 1057657634 is about 32521.6486974446. The cubic root of 1057657634 is about 1018.8612287803.

The spelling of 1057657634 in words is "one billion, fifty-seven million, six hundred fifty-seven thousand, six hundred thirty-four".