61679469 has 8 divisors (see below), whose sum is σ = 82455552. Its totient is φ = 41011520.

The previous prime is 61679461. The next prime is 61679477. The reversal of 61679469 is 96497616.

It is an interprime number because it is at equal distance from previous prime (61679461) and next prime (61679477).

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 61679469 - 2³ = 61679461 is a prime.

It is a super-2 number, since 2×61679469² = 7608713792243922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61679461) 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, 25692 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (10306944).

Almost surely, 2^61679469 is an apocalyptic number.

It is an amenable number.

61679469 is a deficient number, since it is larger than the sum of its proper divisors (20776083).

61679469 is a wasteful number, since it uses less digits than its factorization.

61679469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54067.

The product of its digits is 489888, while the sum is 48.

The square root of 61679469 is about 7853.6277604684. The cubic root of 61679469 is about 395.1059246981.

The spelling of 61679469 in words is "sixty-one million, six hundred seventy-nine thousand, four hundred sixty-nine".