61200234 has 24 divisors (see below), whose sum is σ = 132745860. Its totient is φ = 20377728.

The previous prime is 61200199. The next prime is 61200239. The reversal of 61200234 is 43200216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56205009 + 4995225 = 7497^2 + 2235^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61200239) 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, 27682 + ... + 29810.

Almost surely, 2^61200234 is an apocalyptic number.

61200234 is an abundant number, since it is smaller than the sum of its proper divisors (71545626).

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

61200234 is a wasteful number, since it uses less digits than its factorization.

61200234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61200234 is about 7823.0578420462. The cubic root of 61200234 is about 394.0799695098.

Subtracting from 61200234 its sum of digits (18), we obtain a palindrome (61200216).

The spelling of 61200234 in words is "sixty-one million, two hundred thousand, two hundred thirty-four".