1070471638 has 4 divisors (see below), whose sum is σ = 1605707460. Its totient is φ = 535235818.

The previous prime is 1070471621. The next prime is 1070471639. The reversal of 1070471638 is 8361740701.

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

It is a super-2 number, since 2×1070471638² = 2291819055524806088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1070471597 and 1070471606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070471639) 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 as a sum of consecutive naturals, namely, 267617908 + ... + 267617911.

It is an arithmetic number, because the mean of its divisors is an integer number (401426865).

Almost surely, 2^1070471638 is an apocalyptic number.

1070471638 is a deficient number, since it is larger than the sum of its proper divisors (535235822).

1070471638 is an equidigital number, since it uses as much as digits as its factorization.

1070471638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535235821.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1070471638 is about 32718.0628705307. The cubic root of 1070471638 is about 1022.9593787132.

The spelling of 1070471638 in words is "one billion, seventy million, four hundred seventy-one thousand, six hundred thirty-eight".