36428724 has 48 divisors (see below), whose sum is σ = 96062400. Its totient is φ = 11935008.

The previous prime is 36428701. The next prime is 36428729. The reversal of 36428724 is 42782463.

36428724 is a `hidden beast` number, since 3 + 642 + 8 + 7 + 2 + 4 = 666.

36428724 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36428729) 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, 3514 + ... + 9230.

It is an arithmetic number, because the mean of its divisors is an integer number (2001300).

Almost surely, 2^36428724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36428724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48031200).

36428724 is an abundant number, since it is smaller than the sum of its proper divisors (59633676).

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

36428724 is a wasteful number, since it uses less digits than its factorization.

36428724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789 (or 5781 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 36428724 is about 6035.6212604835. The cubic root of 36428724 is about 331.4983108368.

The spelling of 36428724 in words is "thirty-six million, four hundred twenty-eight thousand, seven hundred twenty-four".