47242207 has 4 divisors (see below), whose sum is σ = 49296240. Its totient is φ = 45188176.

The previous prime is 47242199. The next prime is 47242219. The reversal of 47242207 is 70224274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47242207 - 2³ = 47242199 is a prime.

It is a super-2 number, since 2×47242207² = 4463652244461698, 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 (47242277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026982 + ... + 1027027.

It is an arithmetic number, because the mean of its divisors is an integer number (12324060).

Almost surely, 2^47242207 is an apocalyptic number.

47242207 is a deficient number, since it is larger than the sum of its proper divisors (2054033).

47242207 is a wasteful number, since it uses less digits than its factorization.

47242207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054032.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47242207 is about 6873.2966617192. The cubic root of 47242207 is about 361.5014631487.

The spelling of 47242207 in words is "forty-seven million, two hundred forty-two thousand, two hundred seven".