47521007 has 8 divisors (see below), whose sum is σ = 48266400. Its totient is φ = 46781280.

The previous prime is 47521003. The next prime is 47521031. The reversal of 47521007 is 70012574.

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 47521007 - 2² = 47521003 is a prime.

It is a super-2 number, since 2×47521007² = 4516492212588098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47521003) 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, 17369 + ... + 19917.

It is an arithmetic number, because the mean of its divisors is an integer number (6033300).

Almost surely, 2^47521007 is an apocalyptic number.

47521007 is a deficient number, since it is larger than the sum of its proper divisors (745393).

47521007 is a wasteful number, since it uses less digits than its factorization.

47521007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 47521007 is about 6893.5482155418. The cubic root of 47521007 is about 362.2112027203.

The spelling of 47521007 in words is "forty-seven million, five hundred twenty-one thousand, seven".