42064924 has 24 divisors (see below), whose sum is σ = 80979696. Its totient is φ = 19118000.

The previous prime is 42064909. The next prime is 42064931. The reversal of 42064924 is 42946024.

It is a super-2 number, since 2×42064924² = 3538915662251552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (3374154).

Almost surely, 2^42064924 is an apocalyptic number.

42064924 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42064924 is a deficient number, since it is larger than the sum of its proper divisors (38914772).

42064924 is a wasteful number, since it uses less digits than its factorization.

42064924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938 (or 7914 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 42064924 is about 6485.7477595108. The cubic root of 42064924 is about 347.7816814480.

The spelling of 42064924 in words is "forty-two million, sixty-four thousand, nine hundred twenty-four".