61673304 has 128 divisors (see below), whose sum is σ = 200724480. Its totient is φ = 15312000.

The previous prime is 61673243. The next prime is 61673321. The reversal of 61673304 is 40337616.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 41779 + ... + 43229.

It is an arithmetic number, because the mean of its divisors is an integer number (1568160).

Almost surely, 2^61673304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61673304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100362240).

61673304 is an abundant number, since it is smaller than the sum of its proper divisors (139051176).

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

61673304 is a wasteful number, since it uses less digits than its factorization.

61673304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 61673304 is about 7853.2352568862. The cubic root of 61673304 is about 395.0927603544.

It can be divided in two parts, 616 and 73304, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 61673304 in words is "sixty-one million, six hundred seventy-three thousand, three hundred four".