404073740737 has 6 divisors (see below), whose sum is σ = 409845082754. Its totient is φ = 398382556320.

The previous prime is 404073740729. The next prime is 404073740767. The reversal of 404073740737 is 737047370404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 336398840001 + 67674900736 = 579999^2 + 260144^2 .

It is not a de Polignac number, because 404073740737 - 2³ = 404073740729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404073740767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40073688 + ... + 40083769.

Almost surely, 2^404073740737 is an apocalyptic number.

It is an amenable number.

404073740737 is a deficient number, since it is larger than the sum of its proper divisors (5771342017).

404073740737 is an frugal number, since it uses more digits than its factorization.

404073740737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80157599 (or 80157528 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 46.

The spelling of 404073740737 in words is "four hundred four billion, seventy-three million, seven hundred forty thousand, seven hundred thirty-seven".