34287372 has 72 divisors (see below), whose sum is σ = 99590400. Its totient is φ = 9743328.

The previous prime is 34287347. The next prime is 34287377. The reversal of 34287372 is 27378243.

34287372 is a `hidden beast` number, since 3 + 4 + 287 + 372 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (34287377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90279 + ... + 90657.

It is an arithmetic number, because the mean of its divisors is an integer number (1383200).

Almost surely, 2^34287372 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 34287372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49795200).

34287372 is an abundant number, since it is smaller than the sum of its proper divisors (65303028).

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

34287372 is a wasteful number, since it uses less digits than its factorization.

34287372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 750 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 34287372 is about 5855.5419902858. The cubic root of 34287372 is about 324.8713400002.

The spelling of 34287372 in words is "thirty-four million, two hundred eighty-seven thousand, three hundred seventy-two".