1057274747 has 4 divisors (see below), whose sum is σ = 1091380416. Its totient is φ = 1023169080.

The previous prime is 1057274731. The next prime is 1057274773. The reversal of 1057274747 is 7474727501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1057274747 - 2⁴ = 1057274731 is a prime.

It is a super-2 number, since 2×1057274747² = 2235659781287828018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057274698 and 1057274707.

It is not an unprimeable number, because it can be changed into a prime (1057274707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17052788 + ... + 17052849.

It is an arithmetic number, because the mean of its divisors is an integer number (272845104).

Almost surely, 2^1057274747 is an apocalyptic number.

1057274747 is a deficient number, since it is larger than the sum of its proper divisors (34105669).

1057274747 is an equidigital number, since it uses as much as digits as its factorization.

1057274747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34105668.

The product of its (nonzero) digits is 384160, while the sum is 44.

The square root of 1057274747 is about 32515.7615165323. The cubic root of 1057274747 is about 1018.7382665566.

The spelling of 1057274747 in words is "one billion, fifty-seven million, two hundred seventy-four thousand, seven hundred forty-seven".