7420545234 has 12 divisors (see below), whose sum is σ = 16077848046. Its totient is φ = 2473515072.

The previous prime is 7420545221. The next prime is 7420545311. The reversal of 7420545234 is 4325450247.

7420545234 is a `hidden beast` number, since 74 + 20 + 545 + 23 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7232992209 + 187553025 = 85047^2 + 13695^2 .

It is a super-2 number, since 2×7420545234² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206126239 + ... + 206126274.

Almost surely, 2^7420545234 is an apocalyptic number.

7420545234 is an abundant number, since it is smaller than the sum of its proper divisors (8657302812).

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

7420545234 is a wasteful number, since it uses less digits than its factorization.

7420545234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412252521 (or 412252518 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 7420545234 is about 86142.5866456307. The cubic root of 7420545234 is about 1950.4969352839.

The spelling of 7420545234 in words is "seven billion, four hundred twenty million, five hundred forty-five thousand, two hundred thirty-four".