7490642804 has 12 divisors (see below), whose sum is σ = 13118709828. Its totient is φ = 3742440000.

The previous prime is 7490642801. The next prime is 7490642807. The reversal of 7490642804 is 4082460947.

It is an interprime number because it is at equal distance from previous prime (7490642801) and next prime (7490642807).

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 7413554404 = 8780^2 + 86102^2 .

It is a super-2 number, since 2×7490642804² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490642801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714497 + ... + 724904.

It is an arithmetic number, because the mean of its divisors is an integer number (1093225819).

Almost surely, 2^7490642804 is an apocalyptic number.

It is an amenable number.

7490642804 is a deficient number, since it is larger than the sum of its proper divisors (5628067024).

7490642804 is a wasteful number, since it uses less digits than its factorization.

7490642804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440706 (or 1440704 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 7490642804 is about 86548.4997212546. The cubic root of 7490642804 is about 1956.6194332772.

The spelling of 7490642804 in words is "seven billion, four hundred ninety million, six hundred forty-two thousand, eight hundred four".