7144690 has 32 divisors (see below), whose sum is σ = 15004800. Its totient is φ = 2448432.

The previous prime is 7144637. The next prime is 7144691. The reversal of 7144690 is 964417.

It is a super-2 number, since 2×7144690² = 102093190392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7144691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (468900).

Almost surely, 2^7144690 is an apocalyptic number.

7144690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7144690 is an abundant number, since it is smaller than the sum of its proper divisors (7860110).

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

7144690 is a wasteful number, since it uses less digits than its factorization.

7144690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7144690 is about 2672.9552933036. The cubic root of 7144690 is about 192.6021496417.

The spelling of 7144690 in words is "seven million, one hundred forty-four thousand, six hundred ninety".