404073764 has 6 divisors (see below), whose sum is σ = 707129094. Its totient is φ = 202036880.

The previous prime is 404073757. The next prime is 404073767. The reversal of 404073764 is 467370404.

It can be written as a sum of positive squares in only one way, i.e., 281971264 + 122102500 = 16792^2 + 11050^2 .

It is not an unprimeable number, because it can be changed into a prime (404073767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50509217 + ... + 50509224.

It is an arithmetic number, because the mean of its divisors is an integer number (117854849).

Almost surely, 2^404073764 is an apocalyptic number.

It is an amenable number.

404073764 is a deficient number, since it is larger than the sum of its proper divisors (303055330).

404073764 is a wasteful number, since it uses less digits than its factorization.

404073764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101018445 (or 101018443 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 404073764 is about 20101.5861065738. The cubic root of 404073764 is about 739.2991684674.

The spelling of 404073764 in words is "four hundred four million, seventy-three thousand, seven hundred sixty-four".