770140 has 24 divisors (see below), whose sum is σ = 1848672. Its totient is φ = 264000.
The previous prime is 770129. The next prime is 770167. The reversal of 770140 is 41077.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611 + ... + 2890.
It is an arithmetic number, because the mean of its divisors is an integer number (77028).
2770140 is an apocalyptic number.
770140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
770140 is an abundant number, since it is smaller than the sum of its proper divisors (1078532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
770140 is a wasteful number, since it uses less digits than its factorization.
770140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5517 (or 5515 counting only the distinct ones).
The product of its (nonzero) digits is 196, while the sum is 19.
The square root of 770140 is about 877.5762075170. The cubic root of 770140 is about 91.6621191500.
The spelling of 770140 in words is "seven hundred seventy thousand, one hundred forty", and thus it is an iban number.
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