7343987 has 4 divisors (see below), whose sum is σ = 8393136. Its totient is φ = 6294840.

The previous prime is 7343981. The next prime is 7344011. The reversal of 7343987 is 7893437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7893437 = 31 ⋅254627.

It is a cyclic number.

It is not a de Polignac number, because 7343987 - 2⁴ = 7343971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7343981) 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, 524564 + ... + 524577.

It is an arithmetic number, because the mean of its divisors is an integer number (2098284).

Almost surely, 2^7343987 is an apocalyptic number.

7343987 is a deficient number, since it is larger than the sum of its proper divisors (1049149).

7343987 is a wasteful number, since it uses less digits than its factorization.

7343987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049148.

The product of its digits is 127008, while the sum is 41.

The square root of 7343987 is about 2709.9791512113. The cubic root of 7343987 is about 194.3765933844.

Adding to 7343987 its sum of digits (41), we get a triangular number (7344028 = T₃₈₃₂).

The spelling of 7343987 in words is "seven million, three hundred forty-three thousand, nine hundred eighty-seven".