7210987 has 6 divisors (see below), whose sum is σ = 8388348. Its totient is φ = 6180804.

The previous prime is 7210969. The next prime is 7210991. The reversal of 7210987 is 7890127.

It is not a de Polignac number, because 7210987 - 2¹⁹ = 6686699 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7210997) 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, 73533 + ... + 73630.

It is an arithmetic number, because the mean of its divisors is an integer number (1398058).

Almost surely, 2^7210987 is an apocalyptic number.

7210987 is a deficient number, since it is larger than the sum of its proper divisors (1177361).

7210987 is a wasteful number, since it uses less digits than its factorization.

7210987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147177 (or 147170 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 7210987 is about 2685.3280991343. The cubic root of 7210987 is about 193.1960476682.

The spelling of 7210987 in words is "seven million, two hundred ten thousand, nine hundred eighty-seven".