61170424 has 96 divisors (see below), whose sum is σ = 144460800. Its totient is φ = 24131520.

The previous prime is 61170407. The next prime is 61170469. The reversal of 61170424 is 42407116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320169 + ... + 320359.

It is an arithmetic number, because the mean of its divisors is an integer number (1504800).

Almost surely, 2^61170424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61170424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72230400).

61170424 is an abundant number, since it is smaller than the sum of its proper divisors (83290376).

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

61170424 is a wasteful number, since it uses less digits than its factorization.

61170424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 61170424 is about 7821.1523447635. The cubic root of 61170424 is about 394.0159750280.

The spelling of 61170424 in words is "sixty-one million, one hundred seventy thousand, four hundred twenty-four".