7140264 has 32 divisors (see below), whose sum is σ = 18468000. Its totient is φ = 2297792.

The previous prime is 7140253. The next prime is 7140271. The reversal of 7140264 is 4620417.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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, 4434 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (577125).

Almost surely, 2^7140264 is an apocalyptic number.

It is an amenable number.

7140264 is an abundant number, since it is smaller than the sum of its proper divisors (11327736).

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

7140264 is a wasteful number, since it uses less digits than its factorization.

7140264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297 (or 10293 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7140264 is about 2672.1272424793. The cubic root of 7140264 is about 192.5623702997.

The spelling of 7140264 in words is "seven million, one hundred forty thousand, two hundred sixty-four".