438076742 has 8 divisors (see below), whose sum is σ = 657403776. Its totient is φ = 218942152.

The previous prime is 438076741. The next prime is 438076763. The reversal of 438076742 is 247670834.

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

It is a super-2 number, since 2×438076742² = 383822463762669128, 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 438076742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438076741) 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, 42278 + ... + 51609.

It is an arithmetic number, because the mean of its divisors is an integer number (82175472).

Almost surely, 2^438076742 is an apocalyptic number.

438076742 is a deficient number, since it is larger than the sum of its proper divisors (219327034).

438076742 is a wasteful number, since it uses less digits than its factorization.

438076742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96222.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 438076742 is about 20930.2828934537. The cubic root of 438076742 is about 759.4806828521.

The spelling of 438076742 in words is "four hundred thirty-eight million, seventy-six thousand, seven hundred forty-two".