45217710 has 64 divisors (see below), whose sum is σ = 121282560. Its totient is φ = 11988000.

The previous prime is 45217693. The next prime is 45217717. The reversal of 45217710 is 1771254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45217717) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 59835 + ... + 60585.

It is an arithmetic number, because the mean of its divisors is an integer number (1895040).

Almost surely, 2^45217710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45217710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60641280).

45217710 is an abundant number, since it is smaller than the sum of its proper divisors (76064850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45217710 is a wasteful number, since it uses less digits than its factorization.

45217710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 45217710 is about 6724.4114984138. The cubic root of 45217710 is about 356.2620162152.

Adding to 45217710 its reverse (1771254), we get a palindrome (46988964).

The spelling of 45217710 in words is "forty-five million, two hundred seventeen thousand, seven hundred ten".