7140054 has 16 divisors (see below), whose sum is σ = 14550192. Its totient is φ = 2335008.

The previous prime is 7140053. The next prime is 7140059. The reversal of 7140054 is 4500417.

It is a super-2 number, since 2×7140054² = 101960742245832, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7140054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10909 + ... + 11544.

It is an arithmetic number, because the mean of its divisors is an integer number (909387).

Almost surely, 2^7140054 is an apocalyptic number.

7140054 is an abundant number, since it is smaller than the sum of its proper divisors (7410138).

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

7140054 is a wasteful number, since it uses less digits than its factorization.

7140054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7140054 is about 2672.0879476544. The cubic root of 7140054 is about 192.5604824846.

The spelling of 7140054 in words is "seven million, one hundred forty thousand, fifty-four".