307672272 has 120 divisors (see below), whose sum is σ = 896529920. Its totient is φ = 98392320.

The previous prime is 307672259. The next prime is 307672289. The reversal of 307672272 is 272276703.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700629 + ... + 701067.

Almost surely, 2^307672272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307672272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448264960).

307672272 is an abundant number, since it is smaller than the sum of its proper divisors (588857648).

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

307672272 is a wasteful number, since it uses less digits than its factorization.

307672272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 307672272 is about 17540.5892717434. The cubic root of 307672272 is about 675.0917274521.

The spelling of 307672272 in words is "three hundred seven million, six hundred seventy-two thousand, two hundred seventy-two".