774552132 has 60 divisors (see below), whose sum is σ = 2029876156. Its totient is φ = 257541120.

The previous prime is 774552131. The next prime is 774552139. The reversal of 774552132 is 231255477.

774552132 is a `hidden beast` number, since 7 + 74 + 552 + 1 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 146748996 + 627803136 = 12114^2 + 25056^2 .

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

It is not an unprimeable number, because it can be changed into a prime (774552131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137532 + ... + 143052.

Almost surely, 2^774552132 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 774552132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014938078).

774552132 is an abundant number, since it is smaller than the sum of its proper divisors (1255324024).

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

774552132 is a wasteful number, since it uses less digits than its factorization.

774552132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970 (or 5959 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 774552132 is about 27830.7767049359. The cubic root of 774552132 is about 918.3683002515.

The spelling of 774552132 in words is "seven hundred seventy-four million, five hundred fifty-two thousand, one hundred thirty-two".