42051672 has 48 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 12938688.

The previous prime is 42051671. The next prime is 42051673. The reversal of 42051672 is 27615024.

It is an interprime number because it is at equal distance from previous prime (42051671) and next prime (42051673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21528 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^42051672 is an apocalyptic number.

It is an amenable number.

42051672 is an abundant number, since it is smaller than the sum of its proper divisors (80601768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42051672 is a wasteful number, since it uses less digits than its factorization.

42051672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44952 (or 44945 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42051672 is about 6484.7260543526. The cubic root of 42051672 is about 347.7451562669.

Adding to 42051672 its reverse (27615024), we get a palindrome (69666696).

The spelling of 42051672 in words is "forty-two million, fifty-one thousand, six hundred seventy-two".