28741518 has 24 divisors (see below), whose sum is σ = 67064088. Its totient is φ = 8843472.

The previous prime is 28741511. The next prime is 28741541. The reversal of 28741518 is 81514782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61180 + ... + 61647.

It is an arithmetic number, because the mean of its divisors is an integer number (2794337).

Almost surely, 2^28741518 is an apocalyptic number.

28741518 is an abundant number, since it is smaller than the sum of its proper divisors (38322570).

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

28741518 is a wasteful number, since it uses less digits than its factorization.

28741518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122848 (or 122845 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 28741518 is about 5361.1116384571. Note that the first 3 decimals coincide. The cubic root of 28741518 is about 306.3161540831.

The spelling of 28741518 in words is "twenty-eight million, seven hundred forty-one thousand, five hundred eighteen".