42699652 has 6 divisors (see below), whose sum is σ = 74724398. Its totient is φ = 21349824.

The previous prime is 42699623. The next prime is 42699653. The reversal of 42699652 is 25699624.

It can be written as a sum of positive squares in only one way, i.e., 25260676 + 17438976 = 5026^2 + 4176^2 .

It is a super-2 number, since 2×42699652² = 3646520561842208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42699599 and 42699608.

It is not an unprimeable number, because it can be changed into a prime (42699653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5337453 + ... + 5337460.

Almost surely, 2^42699652 is an apocalyptic number.

It is an amenable number.

42699652 is a deficient number, since it is larger than the sum of its proper divisors (32024746).

42699652 is a wasteful number, since it uses less digits than its factorization.

42699652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674917 (or 10674915 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 42699652 is about 6534.4970732261. The cubic root of 42699652 is about 349.5222106456.

The spelling of 42699652 in words is "forty-two million, six hundred ninety-nine thousand, six hundred fifty-two".