45472977 has 48 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 25267200.

The previous prime is 45472969. The next prime is 45472997. The reversal of 45472977 is 77927454.

It is not a de Polignac number, because 45472977 - 2³ = 45472969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45472997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68674 + ... + 69332.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 2^45472977 is an apocalyptic number.

It is an amenable number.

45472977 is a deficient number, since it is larger than the sum of its proper divisors (32364783).

45472977 is a wasteful number, since it uses less digits than its factorization.

45472977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 731 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 45472977 is about 6743.3654060862. The cubic root of 45472977 is about 356.9311591952.

The spelling of 45472977 in words is "forty-five million, four hundred seventy-two thousand, nine hundred seventy-seven".