7249994 has 8 divisors (see below), whose sum is σ = 10930788. Its totient is φ = 3606400.

The previous prime is 7249981. The next prime is 7249997. The reversal of 7249994 is 4999427.

It can be written as a sum of positive squares in 2 ways, for example, as 6630625 + 619369 = 2575^2 + 787^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7249997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8807 + ... + 9594.

Almost surely, 2^7249994 is an apocalyptic number.

7249994 is a deficient number, since it is larger than the sum of its proper divisors (3680794).

7249994 is a wasteful number, since it uses less digits than its factorization.

7249994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18600.

The product of its digits is 163296, while the sum is 44.

The square root of 7249994 is about 2692.5812893950. The cubic root of 7249994 is about 193.5437786400.

The spelling of 7249994 in words is "seven million, two hundred forty-nine thousand, nine hundred ninety-four".