28760722 has 8 divisors (see below), whose sum is σ = 44144496. Its totient is φ = 14045892.

The previous prime is 28760717. The next prime is 28760773. The reversal of 28760722 is 22706782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28760722² = 1654358259922568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167128 + ... + 167299.

It is an arithmetic number, because the mean of its divisors is an integer number (5518062).

Almost surely, 2^28760722 is an apocalyptic number.

28760722 is a deficient number, since it is larger than the sum of its proper divisors (15383774).

28760722 is a wasteful number, since it uses less digits than its factorization.

28760722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334472.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 28760722 is about 5362.9023858355. The cubic root of 28760722 is about 306.3843618671.

It can be divided in two parts, 287 and 60722, that added together give a square (61009 = 247²).

The spelling of 28760722 in words is "twenty-eight million, seven hundred sixty thousand, seven hundred twenty-two".