28037752 has 8 divisors (see below), whose sum is σ = 52570800. Its totient is φ = 14018872.

The previous prime is 28037747. The next prime is 28037761. The reversal of 28037752 is 25773082.

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

It is a super-2 number, since 2×28037752² = 1572231074427008, 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, 1752352 + ... + 1752367.

It is an arithmetic number, because the mean of its divisors is an integer number (6571350).

Almost surely, 2^28037752 is an apocalyptic number.

It is an amenable number.

28037752 is a deficient number, since it is larger than the sum of its proper divisors (24533048).

28037752 is a wasteful number, since it uses less digits than its factorization.

28037752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504725 (or 3504721 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 28037752 is about 5295.0686492245. The cubic root of 28037752 is about 303.7953088830.

The spelling of 28037752 in words is "twenty-eight million, thirty-seven thousand, seven hundred fifty-two".