46666669 has 6 divisors (see below), whose sum is σ = 54285774. Its totient is φ = 39999960.

The previous prime is 46666663. The next prime is 46666681. The reversal of 46666669 is 96666664.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 15697444 = 5565^2 + 3962^2 .

It is not a de Polignac number, because 46666669 - 2³ = 46666661 is a prime.

It is a super-2 number, since 2×46666669² = 4355555991111122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 952381 = 46666669 / (4 + 6 + 6 + 6 + 6 + 6 + 6 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46666661) 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, 476142 + ... + 476239.

It is an arithmetic number, because the mean of its divisors is an integer number (9047629).

Almost surely, 2^46666669 is an apocalyptic number.

46666669 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

46666669 is a deficient number, since it is larger than the sum of its proper divisors (7619105).

46666669 is an equidigital number, since it uses as much as digits as its factorization.

46666669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952395 (or 952388 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 49.

The square root of 46666669 is about 6831.3006814222. The cubic root of 46666669 is about 360.0274387522.

The spelling of 46666669 in words is "forty-six million, six hundred sixty-six thousand, six hundred sixty-nine".