7490458 has 4 divisors (see below), whose sum is σ = 11235690. Its totient is φ = 3745228.

The previous prime is 7490453. The next prime is 7490459. The reversal of 7490458 is 8540947.

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

It can be written as a sum of positive squares in only one way, i.e., 6265009 + 1225449 = 2503^2 + 1107^2 .

It is a super-2 number, since 2×7490458² = 112213922099528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872613 + ... + 1872616.

Almost surely, 2^7490458 is an apocalyptic number.

7490458 is a deficient number, since it is larger than the sum of its proper divisors (3745232).

7490458 is a wasteful number, since it uses less digits than its factorization.

7490458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745231.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 7490458 is about 2736.8701101806. The cubic root of 7490458 is about 195.6603342354.

The spelling of 7490458 in words is "seven million, four hundred ninety thousand, four hundred fifty-eight".