7490193478 has 16 divisors (see below), whose sum is σ = 11996430336. Its totient is φ = 3498957000.

The previous prime is 7490193467. The next prime is 7490193479. The reversal of 7490193478 is 8743910947.

It is a super-2 number, since 2×7490193478² (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 (7490193479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891398 + ... + 1895353.

It is an arithmetic number, because the mean of its divisors is an integer number (749776896).

Almost surely, 2^7490193478 is an apocalyptic number.

7490193478 is a deficient number, since it is larger than the sum of its proper divisors (4506236858).

7490193478 is a wasteful number, since it uses less digits than its factorization.

7490193478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786819.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 7490193478 is about 86545.9038776533. The cubic root of 7490193478 is about 1956.5803099075.

The spelling of 7490193478 in words is "seven billion, four hundred ninety million, one hundred ninety-three thousand, four hundred seventy-eight".