42744395 has 8 divisors (see below), whose sum is σ = 53993040. Its totient is φ = 32395680.

The previous prime is 42744389. The next prime is 42744407. The reversal of 42744395 is 59344724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42744395 - 2¹⁶ = 42678859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224876 + ... + 225065.

It is an arithmetic number, because the mean of its divisors is an integer number (6749130).

Almost surely, 2^42744395 is an apocalyptic number.

42744395 is a deficient number, since it is larger than the sum of its proper divisors (11248645).

42744395 is a wasteful number, since it uses less digits than its factorization.

42744395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449965.

The product of its digits is 120960, while the sum is 38.

The square root of 42744395 is about 6537.9197761979. The cubic root of 42744395 is about 349.6442507745.

The spelling of 42744395 in words is "forty-two million, seven hundred forty-four thousand, three hundred ninety-five".