61234906 has 4 divisors (see below), whose sum is σ = 91852362. Its totient is φ = 30617452.

The previous prime is 61234903. The next prime is 61234913. The reversal of 61234906 is 60943216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31259281 + 29975625 = 5591^2 + 5475^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61234903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15308725 + ... + 15308728.

Almost surely, 2^61234906 is an apocalyptic number.

61234906 is a deficient number, since it is larger than the sum of its proper divisors (30617456).

61234906 is a wasteful number, since it uses less digits than its factorization.

61234906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30617455.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 61234906 is about 7825.2735415447. The cubic root of 61234906 is about 394.1543753322.

The spelling of 61234906 in words is "sixty-one million, two hundred thirty-four thousand, nine hundred six".