61247004 has 48 divisors (see below), whose sum is σ = 175891968. Its totient is φ = 16152768.

The previous prime is 61247003. The next prime is 61247009. The reversal of 61247004 is 40074216.

61247004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61247003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26952 + ... + 29135.

It is an arithmetic number, because the mean of its divisors is an integer number (3664416).

Almost surely, 2^61247004 is an apocalyptic number.

It is an amenable number.

61247004 is an abundant number, since it is smaller than the sum of its proper divisors (114644964).

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

61247004 is a wasteful number, since it uses less digits than its factorization.

61247004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56114 (or 56112 counting only the distinct ones).

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

The square root of 61247004 is about 7826.0465114897. The cubic root of 61247004 is about 394.1803309292.

The spelling of 61247004 in words is "sixty-one million, two hundred forty-seven thousand, four".