7274940 has 96 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 1806336.

The previous prime is 7274893. The next prime is 7274951. The reversal of 7274940 is 494727.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64324 + ... + 64436.

It is an arithmetic number, because the mean of its divisors is an integer number (227430).

Almost surely, 2^7274940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7274940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10916640).

7274940 is an abundant number, since it is smaller than the sum of its proper divisors (14558340).

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

7274940 is a wasteful number, since it uses less digits than its factorization.

7274940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7274940 is about 2697.2096692693. The cubic root of 7274940 is about 193.7655082973.

The spelling of 7274940 in words is "seven million, two hundred seventy-four thousand, nine hundred forty".