307401642 has 40 divisors (see below), whose sum is σ = 711038592. Its totient is φ = 99160200.

The previous prime is 307401637. The next prime is 307401649. The reversal of 307401642 is 246104703.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (307401649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25584 + ... + 35627.

Almost surely, 2^307401642 is an apocalyptic number.

307401642 is an abundant number, since it is smaller than the sum of its proper divisors (403636950).

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

307401642 is a wasteful number, since it uses less digits than its factorization.

307401642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61256 (or 61247 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 307401642 is about 17532.8731815410. The cubic root of 307401642 is about 674.8937314186.

The spelling of 307401642 in words is "three hundred seven million, four hundred one thousand, six hundred forty-two".