677234432 has 144 divisors (see below), whose sum is σ = 1626304512. Its totient is φ = 275374080.

The previous prime is 677234417. The next prime is 677234443. The reversal of 677234432 is 234432776.

It is a happy number.

Its product of digits (169344) is a multiple of the sum of its prime factors (294).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4055213 + ... + 4055379.

Almost surely, 2^677234432 is an apocalyptic number.

677234432 is a gapful number since it is divisible by the number (62) 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 677234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813152256).

677234432 is an abundant number, since it is smaller than the sum of its proper divisors (949070080).

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

677234432 is a wasteful number, since it uses less digits than its factorization.

677234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 280 counting only the distinct ones).

The product of its digits is 169344, while the sum is 38.

The square root of 677234432 is about 26023.7282494265. The cubic root of 677234432 is about 878.1721841002.

The spelling of 677234432 in words is "six hundred seventy-seven million, two hundred thirty-four thousand, four hundred thirty-two".