774900 has 144 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 172800.

The previous prime is 774863. The next prime is 774901. The reversal of 774900 is 9477.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18880 + ... + 18920.

2⁷⁷⁴⁹⁰⁰ is an apocalyptic number.

774900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458240).

774900 is an abundant number, since it is smaller than the sum of its proper divisors (2141580).

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

774900 is a wasteful number, since it uses less digits than its factorization.

774900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 774900 is about 880.2840450673. The cubic root of 774900 is about 91.8505765984.

The spelling of 774900 in words is "seven hundred seventy-four thousand, nine hundred".