1072346437 has 4 divisors (see below), whose sum is σ = 1072511136. Its totient is φ = 1072181740.

The previous prime is 1072346419. The next prime is 1072346447. The reversal of 1072346437 is 7346432701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7346432701 = 79 ⋅92992819.

It is a cyclic number.

It is not a de Polignac number, because 1072346437 - 2⁷ = 1072346309 is a prime.

It is a super-4 number, since 4×1072346437⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072346396 and 1072346405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072346447) 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 in 3 ways as a sum of consecutive naturals, for example, 72163 + ... + 85744.

It is an arithmetic number, because the mean of its divisors is an integer number (268127784).

Almost surely, 2^1072346437 is an apocalyptic number.

It is an amenable number.

1072346437 is a deficient number, since it is larger than the sum of its proper divisors (164699).

1072346437 is an equidigital number, since it uses as much as digits as its factorization.

1072346437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164698.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 1072346437 is about 32746.7011621018. The cubic root of 1072346437 is about 1023.5562261271.

The spelling of 1072346437 in words is "one billion, seventy-two million, three hundred forty-six thousand, four hundred thirty-seven".