42730600 has 48 divisors (see below), whose sum is σ = 108385920. Its totient is φ = 15537600.

The previous prime is 42730579. The next prime is 42730607. The reversal of 42730600 is 603724.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (42730607) 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, 7512 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (2258040).

Almost surely, 2^42730600 is an apocalyptic number.

42730600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42730600 is an abundant number, since it is smaller than the sum of its proper divisors (65655320).

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

42730600 is a wasteful number, since it uses less digits than its factorization.

42730600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19450 (or 19441 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 42730600 is about 6536.8646918840. The cubic root of 42730600 is about 349.6066328879.

The spelling of 42730600 in words is "forty-two million, seven hundred thirty thousand, six hundred".