47451007 has 4 divisors (see below), whose sum is σ = 47466720. Its totient is φ = 47435296.

The previous prime is 47450993. The next prime is 47451023. The reversal of 47451007 is 70015474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47451007 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 (47451067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (11866680).

Almost surely, 2^47451007 is an apocalyptic number.

47451007 is a deficient number, since it is larger than the sum of its proper divisors (15713).

47451007 is a wasteful number, since it uses less digits than its factorization.

47451007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15712.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 47451007 is about 6888.4691332690. The cubic root of 47451007 is about 362.0332656670.

The spelling of 47451007 in words is "forty-seven million, four hundred fifty-one thousand, seven".