39427072 has 44 divisors (see below), whose sum is σ = 79669240. Its totient is φ = 19501056.

The previous prime is 39427051. The next prime is 39427099. The reversal of 39427072 is 27072493.

It is a congruent number.

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, 142198 + ... + 142474.

Almost surely, 2^39427072 is an apocalyptic number.

39427072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39427072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39834620).

39427072 is an abundant number, since it is smaller than the sum of its proper divisors (40242168).

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

39427072 is a wasteful number, since it uses less digits than its factorization.

39427072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 39427072 is about 6279.0980243981. The cubic root of 39427072 is about 340.3545091268.

The spelling of 39427072 in words is "thirty-nine million, four hundred twenty-seven thousand, seventy-two".