7494093378 has 32 divisors (see below), whose sum is σ = 16656765120. Its totient is φ = 2497547520.

The previous prime is 7494093371. The next prime is 7494093457. The reversal of 7494093378 is 8733904947.

It is a super-2 number, since 2×7494093378² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7494093371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366813 + ... + 386703.

It is an arithmetic number, because the mean of its divisors is an integer number (520523910).

Almost surely, 2^7494093378 is an apocalyptic number.

7494093378 is an abundant number, since it is smaller than the sum of its proper divisors (9162671742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7494093378 is a wasteful number, since it uses less digits than its factorization.

7494093378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26879 (or 26873 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 7494093378 is about 86568.4317635476. The cubic root of 7494093378 is about 1956.9198268882.

The spelling of 7494093378 in words is "seven billion, four hundred ninety-four million, ninety-three thousand, three hundred seventy-eight".