42064375 has 40 divisors (see below), whose sum is σ = 57694032. Its totient is φ = 30528000.

The previous prime is 42064369. The next prime is 42064387. The reversal of 42064375 is 57346024.

It is not a de Polignac number, because 42064375 - 2⁷ = 42064247 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 393072 + ... + 393178.

Almost surely, 2^42064375 is an apocalyptic number.

42064375 is a deficient number, since it is larger than the sum of its proper divisors (15629657).

42064375 is a wasteful number, since it uses less digits than its factorization.

42064375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 42064375 is about 6485.7054358026. The cubic root of 42064375 is about 347.7801684458.

The spelling of 42064375 in words is "forty-two million, sixty-four thousand, three hundred seventy-five".