61234618 has 8 divisors (see below), whose sum is σ = 92191680. Its totient is φ = 30504060.

The previous prime is 61234609. The next prime is 61234637. The reversal of 61234618 is 81643216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×61234618⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61234618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55948 + ... + 57031.

It is an arithmetic number, because the mean of its divisors is an integer number (11523960).

Almost surely, 2^61234618 is an apocalyptic number.

61234618 is a deficient number, since it is larger than the sum of its proper divisors (30957062).

61234618 is a wasteful number, since it uses less digits than its factorization.

61234618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113252.

The product of its digits is 6912, while the sum is 31.

The square root of 61234618 is about 7825.2551396105. The cubic root of 61234618 is about 394.1537574023.

The spelling of 61234618 in words is "sixty-one million, two hundred thirty-four thousand, six hundred eighteen".