7138670 has 64 divisors (see below), whose sum is σ = 16367616. Its totient is φ = 2177280.

The previous prime is 7138643. The next prime is 7138673. The reversal of 7138670 is 768317.

7138670 = T₁₂₄ + T₁₂₅ + ... + T₃₅₄.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138673) 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, 56147 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (255744).

Almost surely, 2^7138670 is an apocalyptic number.

7138670 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7138670 is an abundant number, since it is smaller than the sum of its proper divisors (9228946).

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

7138670 is a wasteful number, since it uses less digits than its factorization.

7138670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 7138670 is about 2671.8289615917. The cubic root of 7138670 is about 192.5480399583.

The spelling of 7138670 in words is "seven million, one hundred thirty-eight thousand, six hundred seventy".