7155064 has 32 divisors (see below), whose sum is σ = 15569280. Its totient is φ = 3019104.

The previous prime is 7155061. The next prime is 7155067. The reversal of 7155064 is 4605517.

It is an interprime number because it is at equal distance from previous prime (7155061) and next prime (7155067).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (486540).

Almost surely, 2^7155064 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 7155064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7784640).

7155064 is an abundant number, since it is smaller than the sum of its proper divisors (8414216).

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

7155064 is a wasteful number, since it uses less digits than its factorization.

7155064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 7155064 is about 2674.8951381316. The cubic root of 7155064 is about 192.6953231934.

The spelling of 7155064 in words is "seven million, one hundred fifty-five thousand, sixty-four".