774630 has 64 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 194400.

The previous prime is 774629. The next prime is 774643. The reversal of 774630 is 36477.

774630 = T₂₇₆ + T₂₇₇ + ... + T₂₉₄.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 774594 and 774603.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 774630.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5055 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (34200).

2⁷⁷⁴⁶³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094400).

774630 is an abundant number, since it is smaller than the sum of its proper divisors (1414170).

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

774630 is a wasteful number, since it uses less digits than its factorization.

774630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 774630 is about 880.1306721164. The cubic root of 774630 is about 91.8399074641.

It can be divided in two parts, 7746 and 30, that added together give a 5-th power (7776 = 6⁵).

The spelling of 774630 in words is "seven hundred seventy-four thousand, six hundred thirty".