1072394434 has 8 divisors (see below), whose sum is σ = 1615322880. Its totient is φ = 533953476.

The previous prime is 1072394431. The next prime is 1072394471. The reversal of 1072394434 is 4344932701.

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

It is a junction number, because it is equal to n+sod(n) for n = 1072394393 and 1072394402.

It is not an unprimeable number, because it can be changed into a prime (1072394431) 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, 1121274 + ... + 1122229.

It is an arithmetic number, because the mean of its divisors is an integer number (201915360).

Almost surely, 2^1072394434 is an apocalyptic number.

1072394434 is a deficient number, since it is larger than the sum of its proper divisors (542928446).

1072394434 is a wasteful number, since it uses less digits than its factorization.

1072394434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243744.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1072394434 is about 32747.4340063462. The cubic root of 1072394434 is about 1023.5714969679.

The spelling of 1072394434 in words is "one billion, seventy-two million, three hundred ninety-four thousand, four hundred thirty-four".