307742436 has 48 divisors (see below), whose sum is σ = 798878080. Its totient is φ = 102448800.

The previous prime is 307742419. The next prime is 307742437. The reversal of 307742436 is 634247703.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 307742436.

It is not an unprimeable number, because it can be changed into a prime (307742437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119361 + ... + 121911.

Almost surely, 2^307742436 is an apocalyptic number.

307742436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

307742436 is an abundant number, since it is smaller than the sum of its proper divisors (491135644).

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

307742436 is a wasteful number, since it uses less digits than its factorization.

307742436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 307742436 is about 17542.5892045616. The cubic root of 307742436 is about 675.1430412905.

The spelling of 307742436 in words is "three hundred seven million, seven hundred forty-two thousand, four hundred thirty-six".