47526421 has 8 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 46270560.

The previous prime is 47526419. The next prime is 47526433. The reversal of 47526421 is 12462574.

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

It is a cyclic number.

It is not a de Polignac number, because 47526421 - 2¹ = 47526419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47526461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26140 + ... + 27898.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 2^47526421 is an apocalyptic number.

47526421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47526421 is a deficient number, since it is larger than the sum of its proper divisors (1260779).

47526421 is a wasteful number, since it uses less digits than its factorization.

47526421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its digits is 13440, while the sum is 31.

The square root of 47526421 is about 6893.9408903761. The cubic root of 47526421 is about 362.2249575984.

Adding to 47526421 its reverse (12462574), we get a palindrome (59988995).

It can be divided in two parts, 475 and 26421, that added together give a square (26896 = 164²).

The spelling of 47526421 in words is "forty-seven million, five hundred twenty-six thousand, four hundred twenty-one".