306472080 has 40 divisors (see below), whose sum is σ = 950064192. Its totient is φ = 81725824.

The previous prime is 306472069. The next prime is 306472091. The reversal of 306472080 is 80274603.

It is an interprime number because it is at equal distance from previous prime (306472069) and next prime (306472091).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 638244 + ... + 638723.

Almost surely, 2^306472080 is an apocalyptic number.

306472080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

306472080 is an abundant number, since it is smaller than the sum of its proper divisors (643592112).

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

306472080 is a wasteful number, since it uses less digits than its factorization.

306472080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276983 (or 1276977 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 306472080 is about 17506.3439929644. The cubic root of 306472080 is about 674.2127667285.

The spelling of 306472080 in words is "three hundred six million, four hundred seventy-two thousand, eighty".