7740234 has 12 divisors (see below), whose sum is σ = 16770546. Its totient is φ = 2580072.

The previous prime is 7740233. The next prime is 7740251. The reversal of 7740234 is 4320477.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 205209 = 2745^2 + 453^2 .

It is a super-2 number, since 2×7740234² = 119822444749512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7740198 and 7740207.

It is not an unprimeable number, because it can be changed into a prime (7740233) 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, 214989 + ... + 215024.

Almost surely, 2^7740234 is an apocalyptic number.

7740234 is an abundant number, since it is smaller than the sum of its proper divisors (9030312).

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

7740234 is a wasteful number, since it uses less digits than its factorization.

7740234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430021 (or 430018 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 7740234 is about 2782.1276031124. The cubic root of 7740234 is about 197.8114213084.

The spelling of 7740234 in words is "seven million, seven hundred forty thousand, two hundred thirty-four".