7487001 has 6 divisors (see below), whose sum is σ = 10814570. Its totient is φ = 4991328.

The previous prime is 7486981. The next prime is 7487047. The reversal of 7487001 is 1007847.

7487001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 2975625 = 2124^2 + 1725^2 .

It is not a de Polignac number, because 7487001 - 2⁷ = 7486873 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7487401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415936 + ... + 415953.

Almost surely, 2^7487001 is an apocalyptic number.

It is an amenable number.

7487001 is a deficient number, since it is larger than the sum of its proper divisors (3327569).

7487001 is a wasteful number, since it uses less digits than its factorization.

7487001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831895 (or 831892 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 7487001 is about 2736.2384764490. The cubic root of 7487001 is about 195.6302291845.

The spelling of 7487001 in words is "seven million, four hundred eighty-seven thousand, one".