307481442 has 16 divisors (see below), whose sum is σ = 615226080. Its totient is φ = 102449952.

The previous prime is 307481437. The next prime is 307481443. The reversal of 307481442 is 244184703.

It is not an unprimeable number, because it can be changed into a prime (307481443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318 + ... + 25590.

It is an arithmetic number, because the mean of its divisors is an integer number (38451630).

Almost surely, 2^307481442 is an apocalyptic number.

307481442 is an abundant number, since it is smaller than the sum of its proper divisors (307744638).

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

307481442 is a wasteful number, since it uses less digits than its factorization.

307481442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21937.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 307481442 is about 17535.1487589926. The cubic root of 307481442 is about 674.9521260971.

The spelling of 307481442 in words is "three hundred seven million, four hundred eighty-one thousand, four hundred forty-two".