61427268 has 96 divisors (see below), whose sum is σ = 183384320. Its totient is φ = 17418240.

The previous prime is 61427257. The next prime is 61427269. The reversal of 61427268 is 86272416.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (61427269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145698 + ... + 146118.

Almost surely, 2^61427268 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 61427268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91692160).

61427268 is an abundant number, since it is smaller than the sum of its proper divisors (121957052).

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

61427268 is a wasteful number, since it uses less digits than its factorization.

61427268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 626 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 61427268 is about 7837.5549758837. The cubic root of 61427268 is about 394.5666732285.

The spelling of 61427268 in words is "sixty-one million, four hundred twenty-seven thousand, two hundred sixty-eight".