61472400 has 120 divisors (see below), whose sum is σ = 214864224. Its totient is φ = 14899200.

The previous prime is 61472393. The next prime is 61472417. The reversal of 61472400 is 427416.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10872 + ... + 15528.

Almost surely, 2^61472400 is an apocalyptic number.

61472400 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 61472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107432112).

61472400 is an abundant number, since it is smaller than the sum of its proper divisors (153391824).

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

61472400 is a wasteful number, since it uses less digits than its factorization.

61472400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 61472400 is about 7840.4336614756. The cubic root of 61472400 is about 394.6632819185.

Adding to 61472400 its reverse (427416), we get a palindrome (61899816).

The spelling of 61472400 in words is "sixty-one million, four hundred seventy-two thousand, four hundred".