61473500 has 48 divisors (see below), whose sum is σ = 146476512. Its totient is φ = 22352000.

The previous prime is 61473487. The next prime is 61473521. The reversal of 61473500 is 537416.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61473500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89 + ... + 11088.

It is an arithmetic number, because the mean of its divisors is an integer number (3051594).

Almost surely, 2^61473500 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 61473500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73238256).

61473500 is an abundant number, since it is smaller than the sum of its proper divisors (85003012).

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

61473500 is a wasteful number, since it uses less digits than its factorization.

61473500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207 (or 11195 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 61473500 is about 7840.5038103428. The cubic root of 61473500 is about 394.6656359669.

The spelling of 61473500 in words is "sixty-one million, four hundred seventy-three thousand, five hundred".