1072742429 has 16 divisors (see below), whose sum is σ = 1197179136. Its totient is φ = 952862400.

The previous prime is 1072742423. The next prime is 1072742533. The reversal of 1072742429 is 9242472701.

It is a cyclic number.

It is not a de Polignac number, because 1072742429 - 2⁸ = 1072742173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072742392 and 1072742401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072742423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389999 + ... + 392739.

It is an arithmetic number, because the mean of its divisors is an integer number (74823696).

Almost surely, 2^1072742429 is an apocalyptic number.

It is an amenable number.

1072742429 is a deficient number, since it is larger than the sum of its proper divisors (124436707).

1072742429 is a wasteful number, since it uses less digits than its factorization.

1072742429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1072742429 is about 32752.7468924364. The cubic root of 1072742429 is about 1023.6822022674.

The spelling of 1072742429 in words is "one billion, seventy-two million, seven hundred forty-two thousand, four hundred twenty-nine".