42392500 has 60 divisors (see below), whose sum is σ = 95869312. Its totient is φ = 16380000.

The previous prime is 42392489. The next prime is 42392501. The reversal of 42392500 is 529324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42392501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 77227 + ... + 77773.

Almost surely, 2^42392500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42392500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47934656).

42392500 is an abundant number, since it is smaller than the sum of its proper divisors (53476812).

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

42392500 is a wasteful number, since it uses less digits than its factorization.

42392500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 42392500 is about 6510.9523112982. The cubic root of 42392500 is about 348.6821187411.

The spelling of 42392500 in words is "forty-two million, three hundred ninety-two thousand, five hundred".