770121342 has 24 divisors (see below), whose sum is σ = 1669266144. Its totient is φ = 256604064.

The previous prime is 770121307. The next prime is 770121343. The reversal of 770121342 is 243121077.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770121343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47338 + ... + 61490.

It is an arithmetic number, because the mean of its divisors is an integer number (69552756).

Almost surely, 2^770121342 is an apocalyptic number.

770121342 is an abundant number, since it is smaller than the sum of its proper divisors (899144802).

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

770121342 is a wasteful number, since it uses less digits than its factorization.

770121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17184 (or 17181 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 770121342 is about 27751.0601959637. The cubic root of 770121342 is about 916.6137891849.

The spelling of 770121342 in words is "seven hundred seventy million, one hundred twenty-one thousand, three hundred forty-two".