402073769 has 4 divisors (see below), whose sum is σ = 402788496. Its totient is φ = 401359044.

The previous prime is 402073759. The next prime is 402073807. The reversal of 402073769 is 967370204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402073769 - 2⁸ = 402073513 is a prime.

It is a super-2 number, since 2×402073769² = 323326631435730722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402073759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356519 + ... + 357644.

It is an arithmetic number, because the mean of its divisors is an integer number (100697124).

Almost surely, 2^402073769 is an apocalyptic number.

It is an amenable number.

402073769 is a deficient number, since it is larger than the sum of its proper divisors (714727).

402073769 is an equidigital number, since it uses as much as digits as its factorization.

402073769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714726.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 402073769 is about 20051.7772030312. Note that the first 3 decimals coincide. The cubic root of 402073769 is about 738.0774106464.

The spelling of 402073769 in words is "four hundred two million, seventy-three thousand, seven hundred sixty-nine".