7494391043 has 8 divisors (see below), whose sum is σ = 7725822000. Its totient is φ = 7266440448.

The previous prime is 7494390983. The next prime is 7494391057. The reversal of 7494391043 is 3401934947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7494391043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7494390985 and 7494391003.

It is not an unprimeable number, because it can be changed into a prime (7494331043) 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, 865718 + ... + 874331.

It is an arithmetic number, because the mean of its divisors is an integer number (965727750).

Almost surely, 2^7494391043 is an apocalyptic number.

7494391043 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7494391043 is a deficient number, since it is larger than the sum of its proper divisors (231430957).

7494391043 is a wasteful number, since it uses less digits than its factorization.

7494391043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740181.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 7494391043 is about 86570.1509932841. The cubic root of 7494391043 is about 1956.9457361298.

The spelling of 7494391043 in words is "seven billion, four hundred ninety-four million, three hundred ninety-one thousand, forty-three".