1057631734 has 8 divisors (see below), whose sum is σ = 1592094168. Its totient is φ = 526933680.

The previous prime is 1057631723. The next prime is 1057631753. The reversal of 1057631734 is 4371367501.

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

It is a super-2 number, since 2×1057631734² = 2237169769527693512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057631693 and 1057631702.

It is a congruent 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, 940392 + ... + 941515.

It is an arithmetic number, because the mean of its divisors is an integer number (199011771).

Almost surely, 2^1057631734 is an apocalyptic number.

1057631734 is a deficient number, since it is larger than the sum of its proper divisors (534462434).

1057631734 is a wasteful number, since it uses less digits than its factorization.

1057631734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882190.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1057631734 is about 32521.2504987124. The cubic root of 1057631734 is about 1018.8529120622.

The spelling of 1057631734 in words is "one billion, fifty-seven million, six hundred thirty-one thousand, seven hundred thirty-four".