42007718 has 24 divisors (see below), whose sum is σ = 66763440. Its totient is φ = 19796000.

The previous prime is 42007673. The next prime is 42007723. The reversal of 42007718 is 81770024.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415868 + ... + 415968.

It is an arithmetic number, because the mean of its divisors is an integer number (2781810).

Almost surely, 2^42007718 is an apocalyptic number.

42007718 is a deficient number, since it is larger than the sum of its proper divisors (24755722).

42007718 is a wasteful number, since it uses less digits than its factorization.

42007718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 42007718 is about 6481.3361276823. The cubic root of 42007718 is about 347.6239552271.

The spelling of 42007718 in words is "forty-two million, seven thousand, seven hundred eighteen".