42949753 has 8 divisors (see below), whose sum is σ = 53547840. Its totient is φ = 33467280.

The previous prime is 42949729. The next prime is 42949789. The reversal of 42949753 is 35794924.

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

It is not a de Polignac number, because 42949753 - 2⁵ = 42949721 is a prime.

It is a super-2 number, since 2×42949753² = 3689362565522018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42949723) 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, 278818 + ... + 278971.

It is an arithmetic number, because the mean of its divisors is an integer number (6693480).

Almost surely, 2^42949753 is an apocalyptic number.

It is an amenable number.

42949753 is a deficient number, since it is larger than the sum of its proper divisors (10598087).

42949753 is a wasteful number, since it uses less digits than its factorization.

42949753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557807.

The product of its digits is 272160, while the sum is 43.

The square root of 42949753 is about 6553.6061065645. The cubic root of 42949753 is about 350.2032914227.

The spelling of 42949753 in words is "forty-two million, nine hundred forty-nine thousand, seven hundred fifty-three".