708742 has 4 divisors (see below), whose sum is σ = 1063116. Its totient is φ = 354370.

The previous prime is 708733. The next prime is 708751. The reversal of 708742 is 247807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247807 = 7 ⋅35401.

It is an interprime number because it is at equal distance from previous prime (708733) and next prime (708751).

It is a self number, because there is not a number n which added to its sum of digits gives 708742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177184 + ... + 177187.

It is an arithmetic number, because the mean of its divisors is an integer number (265779).

2⁷⁰⁸⁷⁴² is an apocalyptic number.

708742 is a deficient number, since it is larger than the sum of its proper divisors (354374).

708742 is a wasteful number, since it uses less digits than its factorization.

708742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354373.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 708742 is about 841.8681606998. The cubic root of 708742 is about 89.1584938307.

It can be divided in two parts, 70874 and 2, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 708742 in words is "seven hundred eight thousand, seven hundred forty-two".