47764545 has 8 divisors (see below), whose sum is σ = 76423296. Its totient is φ = 25474416.

The previous prime is 47764523. The next prime is 47764579. The reversal of 47764545 is 54546774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47764545 - 2⁶ = 47764481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47764497 and 47764506.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1592137 + ... + 1592166.

It is an arithmetic number, because the mean of its divisors is an integer number (9552912).

Almost surely, 2^47764545 is an apocalyptic number.

It is an amenable number.

47764545 is a deficient number, since it is larger than the sum of its proper divisors (28658751).

47764545 is a wasteful number, since it uses less digits than its factorization.

47764545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184311.

The product of its digits is 470400, while the sum is 42.

The square root of 47764545 is about 6911.1898396731. The cubic root of 47764545 is about 362.8289079811.

The spelling of 47764545 in words is "forty-seven million, seven hundred sixty-four thousand, five hundred forty-five".