61673344 has 32 divisors (see below), whose sum is σ = 125196840. Its totient is φ = 30251520.

The previous prime is 61673323. The next prime is 61673347. The reversal of 61673344 is 44337616.

61673344 = T₄₅₇ + T₄₅₈ + ... + T₇₇₄.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61673347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2239 + ... + 11329.

Almost surely, 2^61673344 is an apocalyptic number.

61673344 is a gapful number since it is divisible by the number (64) 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 61673344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62598420).

61673344 is an abundant number, since it is smaller than the sum of its proper divisors (63523496).

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

61673344 is an equidigital number, since it uses as much as digits as its factorization.

61673344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158 (or 9146 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 61673344 is about 7853.2378036069. The cubic root of 61673344 is about 395.0928457707.

The spelling of 61673344 in words is "sixty-one million, six hundred seventy-three thousand, three hundred forty-four".