45731678 has 16 divisors (see below), whose sum is σ = 69812160. Its totient is φ = 22464000.

The previous prime is 45731669. The next prime is 45731681. The reversal of 45731678 is 87613754.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37478 + ... + 38678.

It is an arithmetic number, because the mean of its divisors is an integer number (4363260).

Almost surely, 2^45731678 is an apocalyptic number.

45731678 is a deficient number, since it is larger than the sum of its proper divisors (24080482).

45731678 is a wasteful number, since it uses less digits than its factorization.

45731678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its digits is 141120, while the sum is 41.

The square root of 45731678 is about 6762.5200923916. The cubic root of 45731678 is about 357.6067537808.

The spelling of 45731678 in words is "forty-five million, seven hundred thirty-one thousand, six hundred seventy-eight".