61874400 has 288 divisors, whose sum is σ = 239984640. Its totient is φ = 13547520.

The previous prime is 61874389. The next prime is 61874411. The reversal of 61874400 is 447816.

It is an interprime number because it is at equal distance from previous prime (61874389) and next prime (61874411).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487137 + ... + 487263.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^61874400 is an apocalyptic number.

61874400 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 61874400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

61874400 is an abundant number, since it is smaller than the sum of its proper divisors (178110240).

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

61874400 is a wasteful number, since it uses less digits than its factorization.

61874400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 61874400 is about 7866.0282226801. The cubic root of 61874400 is about 395.5217162110.

The spelling of 61874400 in words is "sixty-one million, eight hundred seventy-four thousand, four hundred".