45007678 has 16 divisors (see below), whose sum is σ = 68992560. Its totient is φ = 22014016.

The previous prime is 45007667. The next prime is 45007733. The reversal of 45007678 is 87670054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26676 + ... + 28312.

It is an arithmetic number, because the mean of its divisors is an integer number (4312035).

Almost surely, 2^45007678 is an apocalyptic number.

45007678 is a deficient number, since it is larger than the sum of its proper divisors (23984882).

45007678 is a wasteful number, since it uses less digits than its factorization.

45007678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 45007678 is about 6708.7761924214. The cubic root of 45007678 is about 355.7095587999.

The spelling of 45007678 in words is "forty-five million, seven thousand, six hundred seventy-eight".