42618736 has 10 divisors (see below), whose sum is σ = 82573832. Its totient is φ = 21309360.

The previous prime is 42618733. The next prime is 42618739. The reversal of 42618736 is 63781624.

It is an interprime number because it is at equal distance from previous prime (42618733) and next prime (42618739).

It is a junction number, because it is equal to n+sod(n) for n = 42618695 and 42618704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42618733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331820 + ... + 1331851.

Almost surely, 2^42618736 is an apocalyptic number.

It is an amenable number.

42618736 is a deficient number, since it is larger than the sum of its proper divisors (39955096).

42618736 is a wasteful number, since it uses less digits than its factorization.

42618736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663679 (or 2663673 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 42618736 is about 6528.3026890609. The cubic root of 42618736 is about 349.3012890729.

The spelling of 42618736 in words is "forty-two million, six hundred eighteen thousand, seven hundred thirty-six".