74348240 has 40 divisors (see below), whose sum is σ = 173277600. Its totient is φ = 29667456.

The previous prime is 74348177. The next prime is 74348251. The reversal of 74348240 is 4284347.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 74348197 and 74348206.

It is a congruent number.

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, 42911 + ... + 44609.

It is an arithmetic number, because the mean of its divisors is an integer number (4331940).

Almost surely, 2^74348240 is an apocalyptic number.

It is an amenable number.

74348240 is an abundant number, since it is smaller than the sum of its proper divisors (98929360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74348240 is a wasteful number, since it uses less digits than its factorization.

74348240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 74348240 is about 8622.5425484598. The cubic root of 74348240 is about 420.4911864865.

The spelling of 74348240 in words is "seventy-four million, three hundred forty-eight thousand, two hundred forty".