1071742436 has 12 divisors (see below), whose sum is σ = 1876105728. Its totient is φ = 535712232.

The previous prime is 1071742433. The next prime is 1071742471. The reversal of 1071742436 is 6342471701.

It is a super-2 number, since 2×1071742436² = 2297263698246428192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071742396 and 1071742405.

It is not an unprimeable number, because it can be changed into a prime (1071742433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23876 + ... + 52091.

It is an arithmetic number, because the mean of its divisors is an integer number (156342144).

Almost surely, 2^1071742436 is an apocalyptic number.

It is an amenable number.

1071742436 is a deficient number, since it is larger than the sum of its proper divisors (804363292).

1071742436 is a wasteful number, since it uses less digits than its factorization.

1071742436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79498 (or 79496 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1071742436 is about 32737.4775448568. The cubic root of 1071742436 is about 1023.3640167589.

The spelling of 1071742436 in words is "one billion, seventy-one million, seven hundred forty-two thousand, four hundred thirty-six".