7390920 has 64 divisors (see below), whose sum is σ = 23483520. Its totient is φ = 1854464.

The previous prime is 7390913. The next prime is 7390921. The reversal of 7390920 is 290937.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (7390921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (366930).

Almost surely, 2^7390920 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 7390920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11741760).

7390920 is an abundant number, since it is smaller than the sum of its proper divisors (16092600).

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

7390920 is a wasteful number, since it uses less digits than its factorization.

7390920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 7390920 is about 2718.6246522828. The cubic root of 7390920 is about 194.7897800282.

The spelling of 7390920 in words is "seven million, three hundred ninety thousand, nine hundred twenty".