7249386394 has 16 divisors (see below), whose sum is σ = 11528234496. Its totient is φ = 3412962000.

The previous prime is 7249386379. The next prime is 7249386409. The reversal of 7249386394 is 4936839427.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7249386379) and next prime (7249386409).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577782 + ... + 1582369.

It is an arithmetic number, because the mean of its divisors is an integer number (720514656).

Almost surely, 2^7249386394 is an apocalyptic number.

7249386394 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7249386394 is a deficient number, since it is larger than the sum of its proper divisors (4278848102).

7249386394 is a wasteful number, since it uses less digits than its factorization.

7249386394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160221.

The product of its digits is 7838208, while the sum is 55.

The square root of 7249386394 is about 85143.3285348887. The cubic root of 7249386394 is about 1935.3837166324.

The spelling of 7249386394 in words is "seven billion, two hundred forty-nine million, three hundred eighty-six thousand, three hundred ninety-four".