28977734 has 16 divisors (see below), whose sum is σ = 45734976. Its totient is φ = 13752000.

The previous prime is 28977733. The next prime is 28977737. The reversal of 28977734 is 43777982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28977731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 7809.

It is an arithmetic number, because the mean of its divisors is an integer number (2858436).

Almost surely, 2^28977734 is an apocalyptic number.

28977734 is a deficient number, since it is larger than the sum of its proper divisors (16757242).

28977734 is a wasteful number, since it uses less digits than its factorization.

28977734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9631.

The product of its digits is 592704, while the sum is 47.

The square root of 28977734 is about 5383.0970639586. The cubic root of 28977734 is about 307.1530323138.

The spelling of 28977734 in words is "twenty-eight million, nine hundred seventy-seven thousand, seven hundred thirty-four".