45709678 has 16 divisors (see below), whose sum is σ = 79530624. Its totient is φ = 19297080.

The previous prime is 45709667. The next prime is 45709681. The reversal of 45709678 is 87690754.

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, 23428 + ... + 25303.

It is an arithmetic number, because the mean of its divisors is an integer number (4970664).

Almost surely, 2^45709678 is an apocalyptic number.

45709678 is a deficient number, since it is larger than the sum of its proper divisors (33820946).

45709678 is a wasteful number, since it uses less digits than its factorization.

45709678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48807.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 45709678 is about 6760.8932841748. The cubic root of 45709678 is about 357.5494003164.

The spelling of 45709678 in words is "forty-five million, seven hundred nine thousand, six hundred seventy-eight".