7456987 has 4 divisors (see below), whose sum is σ = 7849480. Its totient is φ = 7064496.

The previous prime is 7456963. The next prime is 7456997. The reversal of 7456987 is 7896547.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7456987 - 2⁷ = 7456859 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 (7456907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196218 + ... + 196255.

It is an arithmetic number, because the mean of its divisors is an integer number (1962370).

Almost surely, 2^7456987 is an apocalyptic number.

7456987 is a deficient number, since it is larger than the sum of its proper divisors (392493).

7456987 is a wasteful number, since it uses less digits than its factorization.

7456987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392492.

The product of its digits is 423360, while the sum is 46.

The square root of 7456987 is about 2730.7484322068. The cubic root of 7456987 is about 195.3684639671.

The spelling of 7456987 in words is "seven million, four hundred fifty-six thousand, nine hundred eighty-seven".