42670977 has 16 divisors (see below), whose sum is σ = 59082240. Its totient is φ = 27361152.

The previous prime is 42670967. The next prime is 42671009. The reversal of 42670977 is 77907624.

It is not a de Polignac number, because 42670977 - 2⁶ = 42670913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42670907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26448 + ... + 28014.

It is an arithmetic number, because the mean of its divisors is an integer number (3692640).

Almost surely, 2^42670977 is an apocalyptic number.

It is an amenable number.

42670977 is a deficient number, since it is larger than the sum of its proper divisors (16411263).

42670977 is a wasteful number, since it uses less digits than its factorization.

42670977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 42670977 is about 6532.3025802545. The cubic root of 42670977 is about 349.4439524452.

The spelling of 42670977 in words is "forty-two million, six hundred seventy thousand, nine hundred seventy-seven".