7490873 has 4 divisors (see below), whose sum is σ = 8067108. Its totient is φ = 6914640.

The previous prime is 7490869. The next prime is 7490927. The reversal of 7490873 is 3780947.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1982464 + 5508409 = 1408^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 7490873 - 2² = 7490869 is a prime.

It is a super-2 number, since 2×7490873² = 112226356604258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7490803) 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, 288098 + ... + 288123.

It is an arithmetic number, because the mean of its divisors is an integer number (2016777).

Almost surely, 2^7490873 is an apocalyptic number.

It is an amenable number.

7490873 is a deficient number, since it is larger than the sum of its proper divisors (576235).

7490873 is a wasteful number, since it uses less digits than its factorization.

7490873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576234.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7490873 is about 2736.9459256624. The cubic root of 7490873 is about 195.6639476121.

The spelling of 7490873 in words is "seven million, four hundred ninety thousand, eight hundred seventy-three".