30808387734 has 32 divisors (see below), whose sum is σ = 66160198656. Its totient is φ = 9529242240.

The previous prime is 30808387723. The next prime is 30808387741. The reversal of 30808387734 is 43778380803.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119822 + ... + 2134305.

It is an arithmetic number, because the mean of its divisors is an integer number (2067506208).

Almost surely, 2^30808387734 is an apocalyptic number.

30808387734 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30808387734 is an abundant number, since it is smaller than the sum of its proper divisors (35351810922).

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

30808387734 is a wasteful number, since it uses less digits than its factorization.

30808387734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254220.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 30808387734 in words is "thirty billion, eight hundred eight million, three hundred eighty-seven thousand, seven hundred thirty-four".