61868469 has 8 divisors (see below), whose sum is σ = 88836832. Its totient is φ = 38072880.

The previous prime is 61868461. The next prime is 61868473. The reversal of 61868469 is 96486816.

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

It is not a de Polignac number, because 61868469 - 2³ = 61868461 is a prime.

It is a super-2 number, since 2×61868469² = 7655414912807922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61868461) 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, 793147 + ... + 793224.

It is an arithmetic number, because the mean of its divisors is an integer number (11104604).

Almost surely, 2^61868469 is an apocalyptic number.

It is an amenable number.

61868469 is a deficient number, since it is larger than the sum of its proper divisors (26968363).

61868469 is a wasteful number, since it uses less digits than its factorization.

61868469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586387.

The product of its digits is 497664, while the sum is 48.

The square root of 61868469 is about 7865.6512127096. The cubic root of 61868469 is about 395.5090781665.

The spelling of 61868469 in words is "sixty-one million, eight hundred sixty-eight thousand, four hundred sixty-nine".