42920375 has 16 divisors (see below), whose sum is σ = 54082080. Its totient is φ = 34004800.

The previous prime is 42920351. The next prime is 42920387. The reversal of 42920375 is 57302924.

It is a happy number.

It is not a de Polignac number, because 42920375 - 2¹⁰ = 42919351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11771 + ... + 14979.

It is an arithmetic number, because the mean of its divisors is an integer number (3380130).

Almost surely, 2^42920375 is an apocalyptic number.

42920375 is a deficient number, since it is larger than the sum of its proper divisors (11161705).

42920375 is a wasteful number, since it uses less digits than its factorization.

42920375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42920375 is about 6551.3643617189. The cubic root of 42920375 is about 350.1234258571.

The spelling of 42920375 in words is "forty-two million, nine hundred twenty thousand, three hundred seventy-five".