45872047 has 16 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 41121792.

The previous prime is 45872039. The next prime is 45872053. The reversal of 45872047 is 74027854.

It is a cyclic number.

It is not a de Polignac number, because 45872047 - 2³ = 45872039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45871997 and 45872015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45872017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117729 + ... + 118117.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720).

Almost surely, 2^45872047 is an apocalyptic number.

45872047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

45872047 is a deficient number, since it is larger than the sum of its proper divisors (4971473).

45872047 is a wasteful number, since it uses less digits than its factorization.

45872047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 45872047 is about 6772.8905941260. The cubic root of 45872047 is about 357.9722599523.

The spelling of 45872047 in words is "forty-five million, eight hundred seventy-two thousand, forty-seven".