28370076 has 48 divisors (see below), whose sum is σ = 80107776. Its totient is φ = 7628544.

The previous prime is 28370029. The next prime is 28370077. The reversal of 28370076 is 67007382.

It is a super-2 number, since 2×28370076² = 1609722424491552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28370077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8506 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (1668912).

Almost surely, 2^28370076 is an apocalyptic number.

It is an amenable number.

28370076 is an abundant number, since it is smaller than the sum of its proper divisors (51737700).

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

28370076 is a wasteful number, since it uses less digits than its factorization.

28370076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898 (or 19896 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 28370076 is about 5326.3567285716. The cubic root of 28370076 is about 304.9908659811.

The spelling of 28370076 in words is "twenty-eight million, three hundred seventy thousand, seventy-six".