61179020 has 24 divisors (see below), whose sum is σ = 146829984. Its totient is φ = 20975616.

The previous prime is 61179017. The next prime is 61179023. The reversal of 61179020 is 2097116.

It is an interprime number because it is at equal distance from previous prime (61179017) and next prime (61179023).

It is not an unprimeable number, because it can be changed into a prime (61179023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218357 + ... + 218636.

It is an arithmetic number, because the mean of its divisors is an integer number (6117916).

Almost surely, 2^61179020 is an apocalyptic number.

It is an amenable number.

61179020 is an abundant number, since it is smaller than the sum of its proper divisors (85650964).

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

61179020 is a wasteful number, since it uses less digits than its factorization.

61179020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437009 (or 437007 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 61179020 is about 7821.7018608484. The cubic root of 61179020 is about 394.0344305847.

The spelling of 61179020 in words is "sixty-one million, one hundred seventy-nine thousand, twenty".