307227072 has 28 divisors (see below), whose sum is σ = 812872136. Its totient is φ = 102408960.

The previous prime is 307227059. The next prime is 307227079. The reversal of 307227072 is 270722703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307227079) 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, 799879 + ... + 800262.

Almost surely, 2^307227072 is an apocalyptic number.

307227072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

307227072 is an abundant number, since it is smaller than the sum of its proper divisors (505645064).

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

307227072 is a wasteful number, since it uses less digits than its factorization.

307227072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600156 (or 1600146 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 307227072 is about 17527.8941119577. The cubic root of 307227072 is about 674.7659523268.

Adding to 307227072 its reverse (270722703), we get a palindrome (577949775).

The spelling of 307227072 in words is "three hundred seven million, two hundred twenty-seven thousand, seventy-two".