61075904 has 28 divisors (see below), whose sum is σ = 122913648. Its totient is φ = 30105600.

The previous prime is 61075901. The next prime is 61075913. The reversal of 61075904 is 40957016.

It is a happy number.

61075904 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 (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075901) 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 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 11264.

Almost surely, 2^61075904 is an apocalyptic number.

61075904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61075904 is an abundant number, since it is smaller than the sum of its proper divisors (61837744).

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

61075904 is a wasteful number, since it uses less digits than its factorization.

61075904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13524 (or 13514 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 61075904 is about 7815.1074208868. The cubic root of 61075904 is about 393.8129270722.

The spelling of 61075904 in words is "sixty-one million, seventy-five thousand, nine hundred four".