42919037 has 16 divisors (see below), whose sum is σ = 50429952. Its totient is φ = 35764080.

The previous prime is 42919021. The next prime is 42919039. The reversal of 42919037 is 73091924.

It is a cyclic number.

It is not a de Polignac number, because 42919037 - 2⁴ = 42919021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42918988 and 42919006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42919039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62498 + ... + 63180.

It is an arithmetic number, because the mean of its divisors is an integer number (3151872).

Almost surely, 2^42919037 is an apocalyptic number.

42919037 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42919037 is a deficient number, since it is larger than the sum of its proper divisors (7510915).

42919037 is a wasteful number, since it uses less digits than its factorization.

42919037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 42919037 is about 6551.2622447892. The cubic root of 42919037 is about 350.1197875694.

The spelling of 42919037 in words is "forty-two million, nine hundred nineteen thousand, thirty-seven".