7499649 has 8 divisors (see below), whose sum is σ = 10212480. Its totient is φ = 4893296.

The previous prime is 7499627. The next prime is 7499651. The reversal of 7499649 is 9469947.

7499649 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 7499649 - 2⁹ = 7499137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7499598 and 7499607.

It is not an unprimeable number, because it can be changed into a prime (7499689) 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, 26454 + ... + 26735.

It is an arithmetic number, because the mean of its divisors is an integer number (1276560).

Almost surely, 2^7499649 is an apocalyptic number.

It is an amenable number.

7499649 is a deficient number, since it is larger than the sum of its proper divisors (2712831).

7499649 is a wasteful number, since it uses less digits than its factorization.

7499649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53239.

The product of its digits is 489888, while the sum is 48.

The square root of 7499649 is about 2738.5487032368. The cubic root of 7499649 is about 195.7403284140.

The spelling of 7499649 in words is "seven million, four hundred ninety-nine thousand, six hundred forty-nine".