28741480 has 32 divisors (see below), whose sum is σ = 64922400. Its totient is φ = 11451456.

The previous prime is 28741417. The next prime is 28741481. The reversal of 28741480 is 8414782.

It is not an unprimeable number, because it can be changed into a prime (28741481) 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, 10051 + ... + 12589.

It is an arithmetic number, because the mean of its divisors is an integer number (2028825).

Almost surely, 2^28741480 is an apocalyptic number.

28741480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28741480 is an abundant number, since it is smaller than the sum of its proper divisors (36180920).

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

28741480 is a wasteful number, since it uses less digits than its factorization.

28741480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 28741480 is about 5361.1080944148. The cubic root of 28741480 is about 306.3160190865.

It can be divided in two parts, 287 and 41480, that multiplied together give a triangular number (11904760 = T₄₈₇₉).

The spelling of 28741480 in words is "twenty-eight million, seven hundred forty-one thousand, four hundred eighty".