61857467 has 8 divisors (see below), whose sum is σ = 70750176. Its totient is φ = 52978752.

The previous prime is 61857461. The next prime is 61857491. The reversal of 61857467 is 76475816.

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

It is a cyclic number.

It is not a de Polignac number, because 61857467 - 2¹⁴ = 61841083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61857461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933 + ... + 14265.

It is an arithmetic number, because the mean of its divisors is an integer number (8843772).

Almost surely, 2^61857467 is an apocalyptic number.

61857467 is a deficient number, since it is larger than the sum of its proper divisors (8892709).

61857467 is a wasteful number, since it uses less digits than its factorization.

61857467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997.

The product of its digits is 282240, while the sum is 44.

The square root of 61857467 is about 7864.9518116769. The cubic root of 61857467 is about 395.4856324657.

It can be divided in two parts, 618 and 57467, that added together give a palindrome (58085).

The spelling of 61857467 in words is "sixty-one million, eight hundred fifty-seven thousand, four hundred sixty-seven".