306673772 has 6 divisors (see below), whose sum is σ = 536679108. Its totient is φ = 153336884.

The previous prime is 306673771. The next prime is 306673781. The reversal of 306673772 is 277376603.

It is not an unprimeable number, because it can be changed into a prime (306673771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38334218 + ... + 38334225.

It is an arithmetic number, because the mean of its divisors is an integer number (89446518).

Almost surely, 2^306673772 is an apocalyptic number.

It is an amenable number.

306673772 is a deficient number, since it is larger than the sum of its proper divisors (230005336).

306673772 is a wasteful number, since it uses less digits than its factorization.

306673772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76668447 (or 76668445 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 41.

The square root of 306673772 is about 17512.1035858060. The cubic root of 306673772 is about 674.3606361001.

The spelling of 306673772 in words is "three hundred six million, six hundred seventy-three thousand, seven hundred seventy-two".