61677464 has 8 divisors (see below), whose sum is σ = 115645260. Its totient is φ = 30838728.

The previous prime is 61677457. The next prime is 61677491. The reversal of 61677464 is 46477616.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×61677464⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3854834 + ... + 3854849.

Almost surely, 2^61677464 is an apocalyptic number.

It is an amenable number.

61677464 is a deficient number, since it is larger than the sum of its proper divisors (53967796).

61677464 is a wasteful number, since it uses less digits than its factorization.

61677464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709689 (or 7709685 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 61677464 is about 7853.5001114153. The cubic root of 61677464 is about 395.1016434466.

It can be divided in two parts, 6167 and 7464, that added together give a palindrome (13631).

The spelling of 61677464 in words is "sixty-one million, six hundred seventy-seven thousand, four hundred sixty-four".