42030377 has 4 divisors (see below), whose sum is σ = 42053460. Its totient is φ = 42007296.

The previous prime is 42030353. The next prime is 42030379. The reversal of 42030377 is 77303024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37687321 + 4343056 = 6139^2 + 2084^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030377 - 2¹⁰ = 42029353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42030379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552 + ... + 12537.

It is an arithmetic number, because the mean of its divisors is an integer number (10513365).

Almost surely, 2^42030377 is an apocalyptic number.

It is an amenable number.

42030377 is a deficient number, since it is larger than the sum of its proper divisors (23083).

42030377 is a wasteful number, since it uses less digits than its factorization.

42030377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23082.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 42030377 is about 6483.0839112262. The cubic root of 42030377 is about 347.6864468814.

The spelling of 42030377 in words is "forty-two million, thirty thousand, three hundred seventy-seven".