28740476 has 6 divisors (see below), whose sum is σ = 50295840. Its totient is φ = 14370236.

The previous prime is 28740451. The next prime is 28740497. The reversal of 28740476 is 67404782.

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, 3592556 + ... + 3592563.

It is an arithmetic number, because the mean of its divisors is an integer number (8382640).

Almost surely, 2^28740476 is an apocalyptic number.

It is an amenable number.

28740476 is a deficient number, since it is larger than the sum of its proper divisors (21555364).

28740476 is a wasteful number, since it uses less digits than its factorization.

28740476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185123 (or 7185121 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 28740476 is about 5361.0144562387. The cubic root of 28740476 is about 306.3124522920.

It can be divided in two parts, 2 and 8740476, that added together give a palindrome (8740478).

The spelling of 28740476 in words is "twenty-eight million, seven hundred forty thousand, four hundred seventy-six".