45672638 has 16 divisors (see below), whose sum is σ = 75098880. Its totient is φ = 20659800.

The previous prime is 45672631. The next prime is 45672691. The reversal of 45672638 is 83627654.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45672595 and 45672604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45672631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (4693680).

Almost surely, 2^45672638 is an apocalyptic number.

45672638 is a deficient number, since it is larger than the sum of its proper divisors (29426242).

45672638 is a wasteful number, since it uses less digits than its factorization.

45672638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063.

The product of its digits is 241920, while the sum is 41.

The square root of 45672638 is about 6758.1534460236. The cubic root of 45672638 is about 357.4527963496.

The spelling of 45672638 in words is "forty-five million, six hundred seventy-two thousand, six hundred thirty-eight".