28741976 has 8 divisors (see below), whose sum is σ = 53891220. Its totient is φ = 14370984.

The previous prime is 28741913. The next prime is 28741981. The reversal of 28741976 is 67914782.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28741976² = 1652202368769152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1796366 + ... + 1796381.

Almost surely, 2^28741976 is an apocalyptic number.

It is an amenable number.

28741976 is a deficient number, since it is larger than the sum of its proper divisors (25149244).

28741976 is a wasteful number, since it uses less digits than its factorization.

28741976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592753 (or 3592749 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 28741976 is about 5361.1543533086. The cubic root of 28741976 is about 306.3177811377.

The spelling of 28741976 in words is "twenty-eight million, seven hundred forty-one thousand, nine hundred seventy-six".