61974576 has 60 divisors (see below), whose sum is σ = 177152352. Its totient is φ = 20216448.

The previous prime is 61974541. The next prime is 61974629. The reversal of 61974576 is 67547916.

It is a happy number.

61974576 is a `hidden beast` number, since 6 + 1 + 9 + 74 + 576 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2190 + ... + 11346.

Almost surely, 2^61974576 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 61974576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88576176).

61974576 is an abundant number, since it is smaller than the sum of its proper divisors (115177776).

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

61974576 is a wasteful number, since it uses less digits than its factorization.

61974576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218 (or 9209 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 61974576 is about 7872.3932828588. The cubic root of 61974576 is about 395.7350538746.

The spelling of 61974576 in words is "sixty-one million, nine hundred seventy-four thousand, five hundred seventy-six".