47607021 has 80 divisors (see below), whose sum is σ = 94089600. Its totient is φ = 23224320.

The previous prime is 47607011. The next prime is 47607047. The reversal of 47607021 is 12070674.

It is not a de Polignac number, because 47607021 - 2¹⁵ = 47574253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47607011) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 105805 + ... + 106253.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 2^47607021 is an apocalyptic number.

It is an amenable number.

47607021 is a deficient number, since it is larger than the sum of its proper divisors (46482579).

47607021 is a wasteful number, since it uses less digits than its factorization.

47607021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 47607021 is about 6899.7841270579. The cubic root of 47607021 is about 362.4296075762.

Adding to 47607021 its reverse (12070674), we get a palindrome (59677695).

It can be divided in two parts, 4760 and 7021, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 47607021 in words is "forty-seven million, six hundred seven thousand, twenty-one".