774972 has 72 divisors (see below), whose sum is σ = 2271360. Its totient is φ = 220320.

The previous prime is 774959. The next prime is 774997. The reversal of 774972 is 279477.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7473 + ... + 7575.

2⁷⁷⁴⁹⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135680).

774972 is an abundant number, since it is smaller than the sum of its proper divisors (1496388).

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

774972 is a wasteful number, since it uses less digits than its factorization.

774972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 774972 is about 880.3249400079. The cubic root of 774972 is about 91.8534212823.

The spelling of 774972 in words is "seven hundred seventy-four thousand, nine hundred seventy-two".