7490451 has 8 divisors (see below), whose sum is σ = 10047744. Its totient is φ = 4963400.

The previous prime is 7490443. The next prime is 7490453. The reversal of 7490451 is 1540947.

It is a happy number.

7490451 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7490451 - 2³ = 7490443 is a prime.

It is a super-2 number, since 2×7490451² = 112213712366802, which contains 22 as substring.

It is an Ulam number.

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 in 7 ways as a sum of consecutive naturals, for example, 6975 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (1255968).

Almost surely, 2^7490451 is an apocalyptic number.

7490451 is a deficient number, since it is larger than the sum of its proper divisors (2557293).

7490451 is a wasteful number, since it uses less digits than its factorization.

7490451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 7490451 is about 2736.8688313472. The cubic root of 7490451 is about 195.6602732857.

It can be divided in two parts, 74 and 90451, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 7490451 in words is "seven million, four hundred ninety thousand, four hundred fifty-one".