7397444 has 12 divisors (see below), whose sum is σ = 13508544. Its totient is φ = 3537864.

The previous prime is 7397443. The next prime is 7397461. The reversal of 7397444 is 4447937.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 7⁵ + 3¹³ + 9 + 7⁸ + 4⁵ + 4⁶ + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 7397398 and 7397407.

It is not an unprimeable number, because it can be changed into a prime (7397443) 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, 40112 + ... + 40295.

It is an arithmetic number, because the mean of its divisors is an integer number (1125712).

Almost surely, 2^7397444 is an apocalyptic number.

It is an amenable number.

7397444 is a deficient number, since it is larger than the sum of its proper divisors (6111100).

7397444 is a wasteful number, since it uses less digits than its factorization.

7397444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80434 (or 80432 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 7397444 is about 2719.8242590285. The cubic root of 7397444 is about 194.8470771257.

The spelling of 7397444 in words is "seven million, three hundred ninety-seven thousand, four hundred forty-four".