42490719 has 12 divisors (see below), whose sum is σ = 62872992. Its totient is φ = 27636000.

The previous prime is 42490711. The next prime is 42490727. The reversal of 42490719 is 91709424.

It is an interprime number because it is at equal distance from previous prime (42490711) and next prime (42490727).

It is not a de Polignac number, because 42490719 - 2³ = 42490711 is a prime.

It is a super-2 number, since 2×42490719² = 3610922402273922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42490711) 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, 57207 + ... + 57944.

It is an arithmetic number, because the mean of its divisors is an integer number (5239416).

Almost surely, 2^42490719 is an apocalyptic number.

42490719 is a deficient number, since it is larger than the sum of its proper divisors (20382273).

42490719 is a wasteful number, since it uses less digits than its factorization.

42490719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115198 (or 115195 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 42490719 is about 6518.4905461311. The cubic root of 42490719 is about 348.9511977365.

The spelling of 42490719 in words is "forty-two million, four hundred ninety thousand, seven hundred nineteen".