28761452 has 6 divisors (see below), whose sum is σ = 50332548. Its totient is φ = 14380724.

The previous prime is 28761449. The next prime is 28761517. The reversal of 28761452 is 25416782.

It is a super-2 number, since 2×28761452² = 1654442242296608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3595178 + ... + 3595185.

It is an arithmetic number, because the mean of its divisors is an integer number (8388758).

Almost surely, 2^28761452 is an apocalyptic number.

It is an amenable number.

28761452 is a deficient number, since it is larger than the sum of its proper divisors (21571096).

28761452 is a wasteful number, since it uses less digits than its factorization.

28761452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190367 (or 7190365 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 28761452 is about 5362.9704455647. The cubic root of 28761452 is about 306.3869540446.

The spelling of 28761452 in words is "twenty-eight million, seven hundred sixty-one thousand, four hundred fifty-two".