40672277 has 4 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 40629420.

The previous prime is 40672267. The next prime is 40672321. The reversal of 40672277 is 77227604.

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 40672277 - 2²⁴ = 23895061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40672207) 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, 19973 + ... + 21914.

It is an arithmetic number, because the mean of its divisors is an integer number (10178784).

Almost surely, 2^40672277 is an apocalyptic number.

It is an amenable number.

40672277 is a deficient number, since it is larger than the sum of its proper divisors (42859).

40672277 is an equidigital number, since it uses as much as digits as its factorization.

40672277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42858.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 40672277 is about 6377.4820266309. The cubic root of 40672277 is about 343.9005171361.

The spelling of 40672277 in words is "forty million, six hundred seventy-two thousand, two hundred seventy-seven".