42073329 has 8 divisors (see below), whose sum is σ = 57614080. Its totient is φ = 27290736.

The previous prime is 42073309. The next prime is 42073349. The reversal of 42073329 is 92337024.

It is an interprime number because it is at equal distance from previous prime (42073309) and next prime (42073349).

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

It is not a de Polignac number, because 42073329 - 2⁹ = 42072817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42073296 and 42073305.

It is not an unprimeable number, because it can be changed into a prime (42073309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189409 + ... + 189630.

It is an arithmetic number, because the mean of its divisors is an integer number (7201760).

Almost surely, 2^42073329 is an apocalyptic number.

It is an amenable number.

42073329 is a deficient number, since it is larger than the sum of its proper divisors (15540751).

42073329 is a wasteful number, since it uses less digits than its factorization.

42073329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379079.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 42073329 is about 6486.3956863577. The cubic root of 42073329 is about 347.8048433455.

The spelling of 42073329 in words is "forty-two million, seventy-three thousand, three hundred twenty-nine".