42499004 has 12 divisors (see below), whose sum is σ = 75776904. Its totient is φ = 20848464.

The previous prime is 42499003. The next prime is 42499021. The reversal of 42499004 is 40099424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42499003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100022 + ... + 100445.

It is an arithmetic number, because the mean of its divisors is an integer number (6314742).

Almost surely, 2^42499004 is an apocalyptic number.

It is an amenable number.

42499004 is a deficient number, since it is larger than the sum of its proper divisors (33277900).

42499004 is a wasteful number, since it uses less digits than its factorization.

42499004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200524 (or 200522 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 42499004 is about 6519.1260150422. The cubic root of 42499004 is about 348.9738762010.

The spelling of 42499004 in words is "forty-two million, four hundred ninety-nine thousand, four".