734399993437 has 4 divisors (see below), whose sum is σ = 801163629216. Its totient is φ = 667636357660.

The previous prime is 734399993429. The next prime is 734399993449.

It is a happy number.

734399993437 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 734399993437 - 2³ = 734399993429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734399993837) 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, 33381817873 + ... + 33381817894.

It is an arithmetic number, because the mean of its divisors is an integer number (200290907304).

Almost surely, 2^734399993437 is an apocalyptic number.

It is an amenable number.

734399993437 is a deficient number, since it is larger than the sum of its proper divisors (66763635779).

734399993437 is a wasteful number, since it uses less digits than its factorization.

734399993437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66763635778.

The product of its digits is 416649744, while the sum is 70.

The spelling of 734399993437 in words is "seven hundred thirty-four billion, three hundred ninety-nine million, nine hundred ninety-three thousand, four hundred thirty-seven".