74399348 has 6 divisors (see below), whose sum is σ = 130198866. Its totient is φ = 37199672.

The previous prime is 74399329. The next prime is 74399371. The reversal of 74399348 is 84399347.

It can be written as a sum of positive squares in only one way, i.e., 61811044 + 12588304 = 7862^2 + 3548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9299915 + ... + 9299922.

It is an arithmetic number, because the mean of its divisors is an integer number (21699811).

Almost surely, 2^74399348 is an apocalyptic number.

It is an amenable number.

74399348 is a deficient number, since it is larger than the sum of its proper divisors (55799518).

74399348 is a wasteful number, since it uses less digits than its factorization.

74399348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18599841 (or 18599839 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 74399348 is about 8625.5056663363. The cubic root of 74399348 is about 420.5875148872.

Subtracting 74399348 from its reverse (84399347), we obtain a palindrome (9999999).

It can be divided in two parts, 74399 and 348, that added together give a palindrome (74747).

The spelling of 74399348 in words is "seventy-four million, three hundred ninety-nine thousand, three hundred forty-eight".