61179012 has 36 divisors (see below), whose sum is σ = 162788080. Its totient is φ = 19319472.

The previous prime is 61178989. The next prime is 61179017. The reversal of 61179012 is 21097116.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×61179012² = 7485743018592288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61179017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44038 + ... + 45405.

Almost surely, 2^61179012 is an apocalyptic number.

It is an amenable number.

61179012 is an abundant number, since it is smaller than the sum of its proper divisors (101609068).

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

61179012 is a wasteful number, since it uses less digits than its factorization.

61179012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89472 (or 89467 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 61179012 is about 7821.7013494508. The cubic root of 61179012 is about 394.0344134096.

It can be divided in two parts, 6117 and 9012, that added together give a square (15129 = 123²).

The spelling of 61179012 in words is "sixty-one million, one hundred seventy-nine thousand, twelve".