7490775 has 12 divisors (see below), whose sum is σ = 12384872. Its totient is φ = 3995040.

The previous prime is 7490771. The next prime is 7490783. The reversal of 7490775 is 5770947.

It is not a de Polignac number, because 7490775 - 2² = 7490771 is a prime.

It is a super-2 number, since 2×7490775² = 112223420201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49864 + ... + 50013.

Almost surely, 2^7490775 is an apocalyptic number.

7490775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7490775 is a deficient number, since it is larger than the sum of its proper divisors (4894097).

7490775 is a wasteful number, since it uses less digits than its factorization.

7490775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99890 (or 99885 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 7490775 is about 2736.9280224368. The cubic root of 7490775 is about 195.6630943448.

The spelling of 7490775 in words is "seven million, four hundred ninety thousand, seven hundred seventy-five".