28976742 has 24 divisors (see below), whose sum is σ = 64949040. Its totient is φ = 9325680.

The previous prime is 28976741. The next prime is 28976747. The reversal of 28976742 is 24767982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28976741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27234 + ... + 28277.

It is an arithmetic number, because the mean of its divisors is an integer number (2706210).

Almost surely, 2^28976742 is an apocalyptic number.

28976742 is an abundant number, since it is smaller than the sum of its proper divisors (35972298).

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

28976742 is a wasteful number, since it uses less digits than its factorization.

28976742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55548 (or 55545 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 28976742 is about 5383.0049229032. The cubic root of 28976742 is about 307.1495273320.

The spelling of 28976742 in words is "twenty-eight million, nine hundred seventy-six thousand, seven hundred forty-two".