23772773 has 4 divisors (see below), whose sum is σ = 23792640. Its totient is φ = 23752908.

The previous prime is 23772761. The next prime is 23772797. The reversal of 23772773 is 37727732.

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 23772773 - 2⁸ = 23772517 is a prime.

It is a super-2 number, since 2×23772773² = 1130289472219058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23772703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8015 + ... + 10572.

It is an arithmetic number, because the mean of its divisors is an integer number (5948160).

Almost surely, 2^23772773 is an apocalyptic number.

It is an amenable number.

23772773 is a deficient number, since it is larger than the sum of its proper divisors (19867).

23772773 is a wasteful number, since it uses less digits than its factorization.

23772773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19866.

The product of its digits is 86436, while the sum is 38.

The square root of 23772773 is about 4875.7330730876. The cubic root of 23772773 is about 287.5366980250.

The spelling of 23772773 in words is "twenty-three million, seven hundred seventy-two thousand, seven hundred seventy-three".