42719677 has 16 divisors (see below), whose sum is σ = 57359232. Its totient is φ = 30726720.

The previous prime is 42719629. The next prime is 42719687. The reversal of 42719677 is 77691724.

It is a cyclic number.

It is not a de Polignac number, because 42719677 - 2⁷ = 42719549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20338 + ... + 22339.

It is an arithmetic number, because the mean of its divisors is an integer number (3584952).

Almost surely, 2^42719677 is an apocalyptic number.

It is an amenable number.

42719677 is a deficient number, since it is larger than the sum of its proper divisors (14639555).

42719677 is a wasteful number, since it uses less digits than its factorization.

42719677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42708.

The product of its digits is 148176, while the sum is 43.

The square root of 42719677 is about 6536.0291462018. The cubic root of 42719677 is about 349.5768409770.

The spelling of 42719677 in words is "forty-two million, seven hundred nineteen thousand, six hundred seventy-seven".