42783454 has 8 divisors (see below), whose sum is σ = 73343088. Its totient is φ = 18335760.

The previous prime is 42783451. The next prime is 42783467. The reversal of 42783454 is 45438724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42783451) 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, 1527967 + ... + 1527994.

It is an arithmetic number, because the mean of its divisors is an integer number (9167886).

Almost surely, 2^42783454 is an apocalyptic number.

42783454 is a deficient number, since it is larger than the sum of its proper divisors (30559634).

42783454 is a wasteful number, since it uses less digits than its factorization.

42783454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055970.

The product of its digits is 107520, while the sum is 37.

The square root of 42783454 is about 6540.9062063295. The cubic root of 42783454 is about 349.7507177327.

The spelling of 42783454 in words is "forty-two million, seven hundred eighty-three thousand, four hundred fifty-four".