42099076 has 6 divisors (see below), whose sum is σ = 73673390. Its totient is φ = 21049536.

The previous prime is 42099073. The next prime is 42099091. The reversal of 42099076 is 67099024.

It can be written as a sum of positive squares in only one way, i.e., 30030400 + 12068676 = 5480^2 + 3474^2 .

It is a super-3 number, since 3×42099076³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42099073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262381 + ... + 5262388.

Almost surely, 2^42099076 is an apocalyptic number.

It is an amenable number.

42099076 is a deficient number, since it is larger than the sum of its proper divisors (31574314).

42099076 is a wasteful number, since it uses less digits than its factorization.

42099076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524773 (or 10524771 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 42099076 is about 6488.3800751806. The cubic root of 42099076 is about 347.8757758932.

The spelling of 42099076 in words is "forty-two million, ninety-nine thousand, seventy-six".