709402 has 4 divisors (see below), whose sum is σ = 1064106. Its totient is φ = 354700.

The previous prime is 709381. The next prime is 709409. The reversal of 709402 is 204907.

709402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 323761 = 621^2 + 569^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (709409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177349 + ... + 177352.

2⁷⁰⁹⁴⁰² is an apocalyptic number.

709402 is a deficient number, since it is larger than the sum of its proper divisors (354704).

709402 is a wasteful number, since it uses less digits than its factorization.

709402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354703.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 709402 is about 842.2600548524. The cubic root of 709402 is about 89.1861608565.

It can be divided in two parts, 709 and 402, that added together give a palindrome (1111).

The spelling of 709402 in words is "seven hundred nine thousand, four hundred two".