7494887 has 4 divisors (see below), whose sum is σ = 7617816. Its totient is φ = 7371960.

The previous prime is 7494881. The next prime is 7494917. The reversal of 7494887 is 7884947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7884947 = 7 ⋅1126421.

It is a cyclic number.

It is not a de Polignac number, because 7494887 - 2⁴ = 7494871 is a prime.

It is a super-2 number, since 2×7494887² = 112346662285538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7494881) 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, 61373 + ... + 61494.

It is an arithmetic number, because the mean of its divisors is an integer number (1904454).

Almost surely, 2^7494887 is an apocalyptic number.

7494887 is a deficient number, since it is larger than the sum of its proper divisors (122929).

7494887 is a wasteful number, since it uses less digits than its factorization.

7494887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122928.

The product of its digits is 451584, while the sum is 47.

The square root of 7494887 is about 2737.6791265596. The cubic root of 7494887 is about 195.6988903503.

The spelling of 7494887 in words is "seven million, four hundred ninety-four thousand, eight hundred eighty-seven".