61674480 has 160 divisors (see below), whose sum is σ = 242841600. Its totient is φ = 14093568.

The previous prime is 61674461. The next prime is 61674491. The reversal of 61674480 is 8447616.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13081 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^61674480 is an apocalyptic number.

61674480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61674480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121420800).

61674480 is an abundant number, since it is smaller than the sum of its proper divisors (181167120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61674480 is a wasteful number, since it uses less digits than its factorization.

61674480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 61674480 is about 7853.3101301298. The cubic root of 61674480 is about 395.0952715767.

It can be divided in two parts, 61 and 674480, that added together give a triangular number (674541 = T₁₁₆₁).

The spelling of 61674480 in words is "sixty-one million, six hundred seventy-four thousand, four hundred eighty".