42994333 has 4 divisors (see below), whose sum is σ = 44156380. Its totient is φ = 41832288.

The previous prime is 42994313. The next prime is 42994351. The reversal of 42994333 is 33349924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 26656569 = 4042^2 + 5163^2 .

It is a cyclic number.

It is not a de Polignac number, because 42994333 - 2²⁵ = 9439901 is a prime.

It is a super-2 number, since 2×42994333² = 3697025340229778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1162009 = 42994333 / (4 + 2 + 9 + 9 + 4 + 3 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42994292 and 42994301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42994313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580968 + ... + 581041.

It is an arithmetic number, because the mean of its divisors is an integer number (11039095).

Almost surely, 2^42994333 is an apocalyptic number.

It is an amenable number.

42994333 is a deficient number, since it is larger than the sum of its proper divisors (1162047).

42994333 is a wasteful number, since it uses less digits than its factorization.

42994333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162046.

The product of its digits is 69984, while the sum is 37.

The square root of 42994333 is about 6557.0064053652. The cubic root of 42994333 is about 350.3244148534.

The spelling of 42994333 in words is "forty-two million, nine hundred ninety-four thousand, three hundred thirty-three".