61840677 has 8 divisors (see below), whose sum is σ = 82715616. Its totient is φ = 41096432.

The previous prime is 61840657. The next prime is 61840711. The reversal of 61840677 is 77604816.

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 61840677 - 2⁷ = 61840549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61840657) 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, 31563 + ... + 33464.

It is an arithmetic number, because the mean of its divisors is an integer number (10339452).

Almost surely, 2^61840677 is an apocalyptic number.

It is an amenable number.

61840677 is a deficient number, since it is larger than the sum of its proper divisors (20874939).

61840677 is a wasteful number, since it uses less digits than its factorization.

61840677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65347.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 61840677 is about 7863.8843455382. The cubic root of 61840677 is about 395.4498469469.

The spelling of 61840677 in words is "sixty-one million, eight hundred forty thousand, six hundred seventy-seven".