416665742 has 8 divisors (see below), whose sum is σ = 625773600. Its totient is φ = 208074544.

The previous prime is 416665721. The next prime is 416665747. The reversal of 416665742 is 247566614.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×416665742² = 347220681112821128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 416665742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416665747) 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, 127142 + ... + 130377.

It is an arithmetic number, because the mean of its divisors is an integer number (78221700).

Almost surely, 2^416665742 is an apocalyptic number.

416665742 is a deficient number, since it is larger than the sum of its proper divisors (209107858).

416665742 is a wasteful number, since it uses less digits than its factorization.

416665742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258330.

The product of its digits is 241920, while the sum is 41.

The square root of 416665742 is about 20412.3918735654. The cubic root of 416665742 is about 746.9002385850.

The spelling of 416665742 in words is "four hundred sixteen million, six hundred sixty-five thousand, seven hundred forty-two".