42369720 has 32 divisors (see below), whose sum is σ = 127109520. Its totient is φ = 11298560.

The previous prime is 42369713. The next prime is 42369739. The reversal of 42369720 is 2796324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176421 + ... + 176660.

Almost surely, 2^42369720 is an apocalyptic number.

42369720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42369720 is an abundant number, since it is smaller than the sum of its proper divisors (84739800).

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

42369720 is a wasteful number, since it uses less digits than its factorization.

42369720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353095 (or 353091 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 42369720 is about 6509.2027161550. The cubic root of 42369720 is about 348.6196517022.

The spelling of 42369720 in words is "forty-two million, three hundred sixty-nine thousand, seven hundred twenty".