42051704 has 8 divisors (see below), whose sum is σ = 78846960. Its totient is φ = 21025848.

The previous prime is 42051703. The next prime is 42051767. The reversal of 42051704 is 40715024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42051704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628224 + ... + 2628239.

It is an arithmetic number, because the mean of its divisors is an integer number (9855870).

Almost surely, 2^42051704 is an apocalyptic number.

It is an amenable number.

42051704 is a deficient number, since it is larger than the sum of its proper divisors (36795256).

42051704 is a wasteful number, since it uses less digits than its factorization.

42051704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256469 (or 5256465 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42051704 is about 6484.7285216885. The cubic root of 42051704 is about 347.7452444746.

Adding to 42051704 its reverse (40715024), we get a palindrome (82766728).

The spelling of 42051704 in words is "forty-two million, fifty-one thousand, seven hundred four".