87473001 has 16 divisors (see below), whose sum is σ = 145410048. Its totient is φ = 45440400.

The previous prime is 87472997. The next prime is 87473003. The reversal of 87473001 is 10037478.

It is a happy number.

It is not a de Polignac number, because 87473001 - 2² = 87472997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87473001.

It is not an unprimeable number, because it can be changed into a prime (87473003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189105 + ... + 189566.

It is an arithmetic number, because the mean of its divisors is an integer number (9088128).

Almost surely, 2^87473001 is an apocalyptic number.

It is an amenable number.

87473001 is a deficient number, since it is larger than the sum of its proper divisors (57937047).

87473001 is a wasteful number, since it uses less digits than its factorization.

87473001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378692.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 87473001 is about 9352.7001983384. The cubic root of 87473001 is about 443.9063342309.

The spelling of 87473001 in words is "eighty-seven million, four hundred seventy-three thousand, one".