7461390 has 64 divisors (see below), whose sum is σ = 18911232. Its totient is φ = 1881600.

The previous prime is 7461371. The next prime is 7461397. The reversal of 7461390 is 931647.

It is a happy number.

7461390 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7461397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65974 + ... + 66086.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

Almost surely, 2^7461390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7461390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9455616).

7461390 is an abundant number, since it is smaller than the sum of its proper divisors (11449842).

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

7461390 is a wasteful number, since it uses less digits than its factorization.

7461390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 7461390 is about 2731.5545024766. The cubic root of 7461390 is about 195.4069083637.

The spelling of 7461390 in words is "seven million, four hundred sixty-one thousand, three hundred ninety".