404070738 has 8 divisors (see below), whose sum is σ = 808141488. Its totient is φ = 134690244.

The previous prime is 404070731. The next prime is 404070757. The reversal of 404070738 is 837070404.

It is a happy number.

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

404070738 is an admirable number.

It is a super-2 number, since 2×404070738² = 326546322615729288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404070699 and 404070708.

It is not an unprimeable number, because it can be changed into a prime (404070731) 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 3 ways as a sum of consecutive naturals, for example, 33672556 + ... + 33672567.

It is an arithmetic number, because the mean of its divisors is an integer number (101017686).

Almost surely, 2^404070738 is an apocalyptic number.

404070738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404070738 is a wasteful number, since it uses less digits than its factorization.

404070738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67345128.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 404070738 is about 20101.5108387405. The cubic root of 404070738 is about 739.2973229918.

The spelling of 404070738 in words is "four hundred four million, seventy thousand, seven hundred thirty-eight".