7492987 has 4 divisors (see below), whose sum is σ = 7561840. Its totient is φ = 7424136.

The previous prime is 7492943. The next prime is 7493029. The reversal of 7492987 is 7892947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7892947 = 17 ⋅464291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7492987 is a prime.

It is a super-2 number, since 2×7492987² = 112289708364338, which contains 22 as substring.

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 (7492487) 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, 34263 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (1890460).

Almost surely, 2^7492987 is an apocalyptic number.

7492987 is a deficient number, since it is larger than the sum of its proper divisors (68853).

7492987 is a wasteful number, since it uses less digits than its factorization.

7492987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68852.

The product of its digits is 254016, while the sum is 46.

The square root of 7492987 is about 2737.3320953074. The cubic root of 7492987 is about 195.6823519948.

The spelling of 7492987 in words is "seven million, four hundred ninety-two thousand, nine hundred eighty-seven".