306074040 has 64 divisors (see below), whose sum is σ = 966556800. Its totient is φ = 77323392.

The previous prime is 306074017. The next prime is 306074051. The reversal of 306074040 is 40470603.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 306074040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64842 + ... + 69401.

It is an arithmetic number, because the mean of its divisors is an integer number (15102450).

Almost surely, 2^306074040 is an apocalyptic number.

306074040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

306074040 is an abundant number, since it is smaller than the sum of its proper divisors (660482760).

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

306074040 is a wasteful number, since it uses less digits than its factorization.

306074040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134276 (or 134272 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 306074040 is about 17494.9718490771. The cubic root of 306074040 is about 673.9207554460.

The spelling of 306074040 in words is "three hundred six million, seventy-four thousand, forty".