61838467 has 4 divisors (see below), whose sum is σ = 64527120. Its totient is φ = 59149816.

The previous prime is 61838461. The next prime is 61838477. The reversal of 61838467 is 76483816.

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

It is a cyclic number.

It is not a de Polignac number, because 61838467 - 2⁷ = 61838339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61838461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344292 + ... + 1344337.

It is an arithmetic number, because the mean of its divisors is an integer number (16131780).

Almost surely, 2^61838467 is an apocalyptic number.

61838467 is a deficient number, since it is larger than the sum of its proper divisors (2688653).

61838467 is a wasteful number, since it uses less digits than its factorization.

61838467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688652.

The product of its digits is 193536, while the sum is 43.

The square root of 61838467 is about 7863.7438284827. The cubic root of 61838467 is about 395.4451361610.

The spelling of 61838467 in words is "sixty-one million, eight hundred thirty-eight thousand, four hundred sixty-seven".