342400761 has 6 divisors (see below), whose sum is σ = 494578890. Its totient is φ = 228267168.

The previous prime is 342400741. The next prime is 342400769. The reversal of 342400761 is 167004243.

It can be written as a sum of positive squares in only one way, i.e., 250240761 + 92160000 = 15819^2 + 9600^2 .

It is not a de Polignac number, because 342400761 - 2⁶ = 342400697 is a prime.

It is a super-2 number, since 2×342400761² = 234476562266758242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (342400769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19022256 + ... + 19022273.

It is an arithmetic number, because the mean of its divisors is an integer number (82429815).

Almost surely, 2^342400761 is an apocalyptic number.

It is an amenable number.

342400761 is a deficient number, since it is larger than the sum of its proper divisors (152178129).

342400761 is a wasteful number, since it uses less digits than its factorization.

342400761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38044535 (or 38044532 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 342400761 is about 18504.0741730031. The cubic root of 342400761 is about 699.5921167984.

The spelling of 342400761 in words is "three hundred forty-two million, four hundred thousand, seven hundred sixty-one".