774402 has 16 divisors (see below), whose sum is σ = 1630560. Its totient is φ = 244512.

The previous prime is 774377. The next prime is 774427. The reversal of 774402 is 204477.

It is an interprime number because it is at equal distance from previous prime (774377) and next prime (774427).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 774402.

It is an unprimeable number.

774402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (101910).

2⁷⁷⁴⁴⁰² is an apocalyptic number.

774402 is an abundant number, since it is smaller than the sum of its proper divisors (856158).

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

774402 is a wasteful number, since it uses less digits than its factorization.

774402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 774402 is about 880.0011363629. The cubic root of 774402 is about 91.8308960420.

Adding to 774402 its reverse (204477), we get a palindrome (978879).

It can be divided in two parts, 774 and 402, that added together give a triangular number (1176 = T₄₈).

The spelling of 774402 in words is "seven hundred seventy-four thousand, four hundred two", and thus it is an iban number.