45721010 has 32 divisors (see below), whose sum is σ = 86562432. Its totient is φ = 17353600.

The previous prime is 45721009. The next prime is 45721051. The reversal of 45721010 is 1012754.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30785 + ... + 32235.

It is an arithmetic number, because the mean of its divisors is an integer number (2705076).

Almost surely, 2^45721010 is an apocalyptic number.

45721010 is a deficient number, since it is larger than the sum of its proper divisors (40841422).

45721010 is a wasteful number, since it uses less digits than its factorization.

45721010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 45721010 is about 6761.7312871779. The cubic root of 45721010 is about 357.5789448622.

Adding to 45721010 its reverse (1012754), we get a palindrome (46733764).

The spelling of 45721010 in words is "forty-five million, seven hundred twenty-one thousand, ten".