45787790 has 16 divisors (see below), whose sum is σ = 83548368. Its totient is φ = 18063936.

The previous prime is 45787789. The next prime is 45787793. The reversal of 45787790 is 9778754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45787793) 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, 30632 + ... + 32091.

It is an arithmetic number, because the mean of its divisors is an integer number (5221773).

Almost surely, 2^45787790 is an apocalyptic number.

45787790 is a deficient number, since it is larger than the sum of its proper divisors (37760578).

45787790 is a wasteful number, since it uses less digits than its factorization.

45787790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62803.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 45787790 is about 6766.6675697865. The cubic root of 45787790 is about 357.7529531604.

The spelling of 45787790 in words is "forty-five million, seven hundred eighty-seven thousand, seven hundred ninety".