307072734 has 16 divisors (see below), whose sum is σ = 650271888. Its totient is φ = 96336512.

The previous prime is 307072709. The next prime is 307072771. The reversal of 307072734 is 437270703.

307072734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 307072695 and 307072704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505157 + ... + 1505360.

It is an arithmetic number, because the mean of its divisors is an integer number (40641993).

Almost surely, 2^307072734 is an apocalyptic number.

307072734 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

307072734 is an abundant number, since it is smaller than the sum of its proper divisors (343199154).

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

307072734 is a wasteful number, since it uses less digits than its factorization.

307072734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010539.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 307072734 is about 17523.4909193345. The cubic root of 307072734 is about 674.6529420262.

The spelling of 307072734 in words is "three hundred seven million, seventy-two thousand, seven hundred thirty-four".