47760321 has 16 divisors (see below), whose sum is σ = 73008128. Its totient is φ = 27205200.

The previous prime is 47760313. The next prime is 47760329. The reversal of 47760321 is 12306774.

It is an interprime number because it is at equal distance from previous prime (47760313) and next prime (47760329).

It is not a de Polignac number, because 47760321 - 2³ = 47760313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47760329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (4563008).

Almost surely, 2^47760321 is an apocalyptic number.

It is an amenable number.

47760321 is a deficient number, since it is larger than the sum of its proper divisors (25247807).

47760321 is a wasteful number, since it uses less digits than its factorization.

47760321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 47760321 is about 6910.8842415425. The cubic root of 47760321 is about 362.8182122200.

The spelling of 47760321 in words is "forty-seven million, seven hundred sixty thousand, three hundred twenty-one".