45671072 has 12 divisors (see below), whose sum is σ = 89914986. Its totient is φ = 22835520.

The previous prime is 45671071. The next prime is 45671111. The reversal of 45671072 is 27017654.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 5779216 = 6316^2 + 2404^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1427221 = 45671072 / (4 + 5 + 6 + 7 + 1 + 0 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (45671071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713579 + ... + 713642.

Almost surely, 2^45671072 is an apocalyptic number.

It is an amenable number.

45671072 is a deficient number, since it is larger than the sum of its proper divisors (44243914).

45671072 is a wasteful number, since it uses less digits than its factorization.

45671072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427231 (or 1427223 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 45671072 is about 6758.0375849798. The cubic root of 45671072 is about 357.4487109168.

The spelling of 45671072 in words is "forty-five million, six hundred seventy-one thousand, seventy-two".