7485454 has 4 divisors (see below), whose sum is σ = 11228184. Its totient is φ = 3742726.

The previous prime is 7485437. The next prime is 7485461. The reversal of 7485454 is 4545847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4545847 = 277 ⋅16411.

It is a super-2 number, since 2×7485454² = 112064043172232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871362 + ... + 1871365.

It is an arithmetic number, because the mean of its divisors is an integer number (2807046).

Almost surely, 2^7485454 is an apocalyptic number.

7485454 is a deficient number, since it is larger than the sum of its proper divisors (3742730).

7485454 is a wasteful number, since it uses less digits than its factorization.

7485454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742729.

The product of its digits is 89600, while the sum is 37.

The square root of 7485454 is about 2735.9557744964. The cubic root of 7485454 is about 195.6167542381.

The spelling of 7485454 in words is "seven million, four hundred eighty-five thousand, four hundred fifty-four".