61357422 has 64 divisors (see below), whose sum is σ = 154091520. Its totient is φ = 15881184.

The previous prime is 61357421. The next prime is 61357427. The reversal of 61357422 is 22475316.

It is a self number, because there is not a number n which added to its sum of digits gives 61357422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61357421) 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, 16683 + ... + 20025.

It is an arithmetic number, because the mean of its divisors is an integer number (2407680).

Almost surely, 2^61357422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61357422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77045760).

61357422 is an abundant number, since it is smaller than the sum of its proper divisors (92734098).

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

61357422 is a wasteful number, since it uses less digits than its factorization.

61357422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its digits is 10080, while the sum is 30.

The square root of 61357422 is about 7833.0978546167. The cubic root of 61357422 is about 394.4170688988.

The spelling of 61357422 in words is "sixty-one million, three hundred fifty-seven thousand, four hundred twenty-two".