307103072 has 24 divisors (see below), whose sum is σ = 605451672. Its totient is φ = 153337600.

The previous prime is 307103059. The next prime is 307103077. The reversal of 307103072 is 270301703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307103077) 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, 18047 + ... + 30657.

It is an arithmetic number, because the mean of its divisors is an integer number (25227153).

Almost surely, 2^307103072 is an apocalyptic number.

307103072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

307103072 is a deficient number, since it is larger than the sum of its proper divisors (298348600).

307103072 is a wasteful number, since it uses less digits than its factorization.

307103072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382 (or 13374 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 307103072 is about 17524.3565359759. The cubic root of 307103072 is about 674.6751592891.

Adding to 307103072 its reverse (270301703), we get a palindrome (577404775).

The spelling of 307103072 in words is "three hundred seven million, one hundred three thousand, seventy-two".