1072346438 has 4 divisors (see below), whose sum is σ = 1608519660. Its totient is φ = 536173218.

The previous prime is 1072346419. The next prime is 1072346447. The reversal of 1072346438 is 8346432701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8346432701 = 1109 ⋅7526089.

It is a super-2 number, since 2×1072346438² = 2299853766182575688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 268086608 + ... + 268086611.

It is an arithmetic number, because the mean of its divisors is an integer number (402129915).

Almost surely, 2^1072346438 is an apocalyptic number.

1072346438 is a deficient number, since it is larger than the sum of its proper divisors (536173222).

1072346438 is an equidigital number, since it uses as much as digits as its factorization.

1072346438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536173221.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 1072346438 is about 32746.7011773705. The cubic root of 1072346438 is about 1023.5562264453.

The spelling of 1072346438 in words is "one billion, seventy-two million, three hundred forty-six thousand, four hundred thirty-eight".