307642 has 8 divisors (see below), whose sum is σ = 464436. Its totient is φ = 152832.

The previous prime is 307639. The next prime is 307651. The reversal of 307642 is 246703.

It can be written as a sum of positive squares in 2 ways, for example, as 301401 + 6241 = 549^2 + 79^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3⁶ + 0 + 6⁷ + 7⁴ + 4⁷ + 2¹³ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13 + ... + 784.

2³⁰⁷⁶⁴² is an apocalyptic number.

307642 is a deficient number, since it is larger than the sum of its proper divisors (156794).

307642 is a wasteful number, since it uses less digits than its factorization.

307642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 307642 is about 554.6548476305. The cubic root of 307642 is about 67.5069585876.

It can be divided in two parts, 307 and 642, that added together give a palindrome (949).

The spelling of 307642 in words is "three hundred seven thousand, six hundred forty-two".