707642 has 16 divisors (see below), whose sum is σ = 1211112. Its totient is φ = 307200.

The previous prime is 707633. The next prime is 707647. The reversal of 707642 is 246707.

707642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 3721 = 839^2 + 61^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (707647) 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, 359 + ... + 1242.

2⁷⁰⁷⁶⁴² is an apocalyptic number.

707642 is a deficient number, since it is larger than the sum of its proper divisors (503470).

707642 is a wasteful number, since it uses less digits than its factorization.

707642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 707642 is about 841.2145980664. The cubic root of 707642 is about 89.1123439268.

The spelling of 707642 in words is "seven hundred seven thousand, six hundred forty-two".