39742050 has 48 divisors (see below), whose sum is σ = 100440000. Its totient is φ = 10395840.

The previous prime is 39742009. The next prime is 39742051. The reversal of 39742050 is 5024793.

39742050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39741999 and 39742017.

It is not an unprimeable number, because it can be changed into a prime (39742051) 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 23 ways as a sum of consecutive naturals, for example, 5451 + ... + 10449.

It is an arithmetic number, because the mean of its divisors is an integer number (2092500).

Almost surely, 2^39742050 is an apocalyptic number.

39742050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39742050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50220000).

39742050 is an abundant number, since it is smaller than the sum of its proper divisors (60697950).

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

39742050 is a wasteful number, since it uses less digits than its factorization.

39742050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 39742050 is about 6304.1295989216. The cubic root of 39742050 is about 341.2584562302.

The spelling of 39742050 in words is "thirty-nine million, seven hundred forty-two thousand, fifty".