30743203943634 has 128 divisors (see below), whose sum is σ = 77725234728960. Its totient is φ = 7888516418304.

The previous prime is 30743203943611. The next prime is 30743203943659. The reversal of 30743203943634 is 43634930234703.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509444067 + ... + 509504409.

It is an arithmetic number, because the mean of its divisors is an integer number (607228396320).

Almost surely, 2^{30743203943634} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30743203943634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38862617364480).

30743203943634 is an abundant number, since it is smaller than the sum of its proper divisors (46982030785326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30743203943634 is a wasteful number, since it uses less digits than its factorization.

30743203943634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85624.

The product of its (nonzero) digits is 11757312, while the sum is 51.

The spelling of 30743203943634 in words is "thirty trillion, seven hundred forty-three billion, two hundred three million, nine hundred forty-three thousand, six hundred thirty-four".