7499145 has 8 divisors (see below), whose sum is σ = 11998656. Its totient is φ = 3999536.

The previous prime is 7499137. The next prime is 7499147. The reversal of 7499145 is 5419947.

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 7499145 - 2³ = 7499137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7499147) 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, 249957 + ... + 249986.

It is an arithmetic number, because the mean of its divisors is an integer number (1499832).

Almost surely, 2^7499145 is an apocalyptic number.

It is an amenable number.

7499145 is a deficient number, since it is larger than the sum of its proper divisors (4499511).

7499145 is a wasteful number, since it uses less digits than its factorization.

7499145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499951.

The product of its digits is 45360, while the sum is 39.

The square root of 7499145 is about 2738.4566821478. The cubic root of 7499145 is about 195.7359435273.

The spelling of 7499145 in words is "seven million, four hundred ninety-nine thousand, one hundred forty-five".