45717870 has 128 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 10368000.

The previous prime is 45717869. The next prime is 45717883. The reversal of 45717870 is 7871754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 419376 + ... + 419484.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^45717870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45717870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

45717870 is an abundant number, since it is smaller than the sum of its proper divisors (82015890).

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

45717870 is a wasteful number, since it uses less digits than its factorization.

45717870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 45717870 is about 6761.4990941359. The cubic root of 45717870 is about 357.5707588109.

The spelling of 45717870 in words is "forty-five million, seven hundred seventeen thousand, eight hundred seventy".