47087451 has 24 divisors (see below), whose sum is σ = 70005936. Its totient is φ = 30481920.

The previous prime is 47087449. The next prime is 47087461. The reversal of 47087451 is 15478074.

It is not a de Polignac number, because 47087451 - 2¹ = 47087449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47087431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108531 + ... + 108963.

It is an arithmetic number, because the mean of its divisors is an integer number (2916914).

Almost surely, 2^47087451 is an apocalyptic number.

47087451 is a deficient number, since it is larger than the sum of its proper divisors (22918485).

47087451 is a wasteful number, since it uses less digits than its factorization.

47087451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 47087451 is about 6862.0296560129. The cubic root of 47087451 is about 361.1062958955.

The spelling of 47087451 in words is "forty-seven million, eighty-seven thousand, four hundred fifty-one".