42793451 has 4 divisors (see below), whose sum is σ = 42872232. Its totient is φ = 42714672.

The previous prime is 42793441. The next prime is 42793469. The reversal of 42793451 is 15439724.

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

It is a cyclic number.

It is not a de Polignac number, because 42793451 - 2¹⁴ = 42777067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42793441) 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, 38570 + ... + 39663.

It is an arithmetic number, because the mean of its divisors is an integer number (10718058).

Almost surely, 2^42793451 is an apocalyptic number.

42793451 is a deficient number, since it is larger than the sum of its proper divisors (78781).

42793451 is an equidigital number, since it uses as much as digits as its factorization.

42793451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78780.

The product of its digits is 30240, while the sum is 35.

The square root of 42793451 is about 6541.6703524406. The cubic root of 42793451 is about 349.7779571231. Note that the first 3 decimals are identical.

The spelling of 42793451 in words is "forty-two million, seven hundred ninety-three thousand, four hundred fifty-one".