61167072 has 24 divisors (see below), whose sum is σ = 160563816. Its totient is φ = 20388992.

The previous prime is 61167059. The next prime is 61167107. The reversal of 61167072 is 27076116.

It is a happy number.

61167072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 318483 + ... + 318674.

It is an arithmetic number, because the mean of its divisors is an integer number (6690159).

Almost surely, 2^61167072 is an apocalyptic number.

It is an amenable number.

61167072 is an abundant number, since it is smaller than the sum of its proper divisors (99396744).

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

61167072 is a wasteful number, since it uses less digits than its factorization.

61167072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637170 (or 637162 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 61167072 is about 7820.9380511547. The cubic root of 61167072 is about 394.0087778370.

The spelling of 61167072 in words is "sixty-one million, one hundred sixty-seven thousand, seventy-two".