7345987 has 4 divisors (see below), whose sum is σ = 8013816. Its totient is φ = 6678160.

The previous prime is 7345979. The next prime is 7346069. The reversal of 7345987 is 7895437.

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 7345987 - 2³ = 7345979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7345937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333898 + ... + 333919.

It is an arithmetic number, because the mean of its divisors is an integer number (2003454).

Almost surely, 2^7345987 is an apocalyptic number.

7345987 is a deficient number, since it is larger than the sum of its proper divisors (667829).

7345987 is a wasteful number, since it uses less digits than its factorization.

7345987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667828.

The product of its digits is 211680, while the sum is 43.

The square root of 7345987 is about 2710.3481326206. The cubic root of 7345987 is about 194.3942367482.

The spelling of 7345987 in words is "seven million, three hundred forty-five thousand, nine hundred eighty-seven".