61293400 has 48 divisors (see below), whose sum is σ = 162869040. Its totient is φ = 21014400.

The previous prime is 61293391. The next prime is 61293431. The reversal of 61293400 is 439216.

61293400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20491 + ... + 23290.

It is an arithmetic number, because the mean of its divisors is an integer number (3393105).

Almost surely, 2^61293400 is an apocalyptic number.

It is an amenable number.

61293400 is an abundant number, since it is smaller than the sum of its proper divisors (101575640).

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

61293400 is a wasteful number, since it uses less digits than its factorization.

61293400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43804 (or 43795 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61293400 is about 7829.0101545470. The cubic root of 61293400 is about 394.2798393320.

The spelling of 61293400 in words is "sixty-one million, two hundred ninety-three thousand, four hundred".