42699573 has 48 divisors (see below), whose sum is σ = 73661952. Its totient is φ = 23328000.

The previous prime is 42699557. The next prime is 42699589. The reversal of 42699573 is 37599624.

It is a happy number.

42699573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42699557) and next prime (42699589).

It is not a de Polignac number, because 42699573 - 2⁴ = 42699557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42699373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157428 + ... + 157698.

It is an arithmetic number, because the mean of its divisors is an integer number (1534624).

Almost surely, 2^42699573 is an apocalyptic number.

It is an amenable number.

42699573 is a deficient number, since it is larger than the sum of its proper divisors (30962379).

42699573 is a wasteful number, since it uses less digits than its factorization.

42699573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 383 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 42699573 is about 6534.4910283816. The cubic root of 42699573 is about 349.5219950914.

It can be divided in two parts, 426 and 99573, that added together give a palindrome (99999).

The spelling of 42699573 in words is "forty-two million, six hundred ninety-nine thousand, five hundred seventy-three".